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Document And Entity Information	3 Months Ended
Document And Entity Information	Mar. 31, 2012 shares
Document And Entity Information [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Mar. 31, 2012
Document Fiscal Year Focus	2012
Document Fiscal Period Focus	Q1
Entity Registrant Name	Gevo, Inc.
Entity Central Index Key	0001392380
Current Fiscal Year End Date	--12-31
Entity Filer Category	Non-accelerated Filer
Entity Common Stock, Shares Outstanding	26,758,924

Consolidated Balance Sheets - USD ($)
$ in Thousands

Mar. 31, 2012

Dec. 31, 2011

Assets

Cash and cash equivalents

$ 73,622

$ 94,225

Accounts receivable

3,030

2,938

Inventories

5,454

3,814

Prepaid expenses and other current assets

1,641

1,283

Derivative assets

Margin deposit

386

474

Total current assets

84,195

102,734

Property, plant and equipment, net

42,139

28,777

Debt issue costs, net

946

1,017

Deposits and other assets

695

502

Total assets

127,975

133,030

Liabilities

Accounts payable and accrued liabilities

17,821

12,440

Current portion of secured debt, net of $1,090 and $969 discount at March 31, 2012 and December 31, 2011, respectively

6,371

3,491

Derivative liabilities

186

Total current liabilities

^[1]

24,239

16,117

Long-term portion secured debt, net of $1,521 and $1,504 discount at March 31, 2012 and December 31, 2011, respectively

26,510

24,752

Other long-term liabilities

Total liabilities

50,767

40,893

Commitments and Contingencies

Stockholders' Equity

Preferred stock, $0.01 par value per share; 5,000,000 shares authorized at March 31, 2012 and December 31, 2011; none issued and outstanding

Common stock, $0.01 par value per share; 100,000,000 authorized; 26,758,924 and 26,382,058 shares issued and outstanding at March 31, 2012 and December 31, 2011 , respectively

267

264

Additional paid-in capital

230,883

226,508

Deficit accumulated during development stage

(153,942)

(134,635)

Total stockholders' equity

77,208

92,137

Total liabilities and stockholders' equity

$ 127,975

$ 133,030

[1]	Liabilities of Gevo, Inc.'s consolidated subsidiaries for which creditors do not have recourse to the general credit of Gevo, Inc. were $2.6 million and $4.5 million at March 31, 2012 and December 31, 2011, respectively, and are recorded within current liabilities.

Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Mar. 31, 2012	Dec. 31, 2011
Consolidated Balance Sheets [Abstract]
Current portion of secured long-term debt, discount	$ 1,090	$ 969
Long-term portion secured debt, discount	$ 1,521	$ 1,504
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stock, shares authorized	5,000,000	5,000,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	100,000,000	100,000,000
Common stock, shares issued	26,758,924	26,382,058
Common stock, shares outstanding	26,758,924	26,382,058
Non-recourse subsidiary debt	$ 2,600	$ 4,500

Consolidated Statements Of Operations - USD ($) $ in Thousands	3 Months Ended		82 Months Ended
	Mar. 31, 2012	Mar. 31, 2011	Mar. 31, 2012
Revenue and cost of goods sold
Ethanol sales and related products, net	$ 14,258	$ 15,109	$ 92,765
Grant revenue and research and development program revenue	614	172	4,157
Licensing revenue			138
Total revenues	14,872	15,281	97,060
Cost of goods sold	15,010	15,193	89,044
Gross (loss) margin	(138)	88	8,016
Operating expenses
Research and development	4,955	3,266	62,174
Selling, general and administrative	13,127	5,234	83,452
Other operating expenses			1,248
Total operating expenses	18,082	8,500	146,874
Loss from operations	(18,220)	(8,412)	(138,858)
Other (expense) income
Interest and other expense	(1,087)	(892)	(9,666)
Interest and other income		50	721
Loss from change in fair value of warrant liabilities		(29)	(2,852)
Total other expense	(1,087)	(871)	(11,797)
Net loss	(19,307)	(9,283)	(150,655)
Deemed dividend-amortization of beneficial conversion feature on Series D-1 convertible preferred stock		(1,094)	(3,872)
Net loss attributable to Gevo, Inc. common stockholders	$ (19,307)	$ (10,377)	$ (154,527)
Net loss per share attributable to Gevo, Inc. common stockholders-basic and diluted	$ (0.74)	$ (0.76)
Weighted-average number of common shares outstanding-basic and diluted	26,186,133	13,744,337

Consolidated Statements Of Cash Flows - USD ($) $ in Thousands	3 Months Ended		82 Months Ended
	Mar. 31, 2012	Mar. 31, 2011	Mar. 31, 2012
Operating Activities
Net loss	$ (19,307)	$ (9,283)	$ (150,655)
Adjustments to reconcile net loss to net cash used in operating activities:
Non-cash stock-based compensation	4,119	1,321	22,665
Depreciation and amortization	788	1,013	11,080
Non-cash interest expense	393	213	3,474
Gain from change in fair value of derivatives	(201)	(109)	(620)
Loss from change in fair value of warrant liabilities		29	2,852
Other non-cash expenses			364
Changes in operating assets and liabilities (net of effects of acquisitions):
Accounts receivable	(92)	(152)	(1,031)
Inventories	(1,640)	(1,468)	(1,884)
Prepaid expenses and other current assets	(211)	(46)	(859)
Margin deposit	88	(384)	506
Deposits and other assets		1	(90)
Accounts payable, accrued expenses, and long-term liabilities	(834)	(1,739)	7,933
Net cash used in operating activities	(16,897)	(10,604)	(106,265)
Investing Activities
Acquisitions of property, plant and equipment, net	(8,045)	(805)	(24,295)
Other	(49)		(107)
Acquisition of Agri-Energy, net of cash assumed			(24,936)
Restricted certificate of deposit			(79)
Net cash used in investing activities	(8,094)	(805)	(49,417)
Financing Activities
Proceeds from issuance of secured long-term debt	5,000		41,578
Proceeds from issuance of common stock upon exercise of stock options	139	8	333
Payments on secured debt	(511)	(453)	(8,801)
Deposit on long-term debt	(144)		(451)
Debt issue costs	(53)		(1,517)
Proceeds from issuance of common stock in initial public offering, net of discounts and commissions		114,704	114,704
Deferred offering costs	(43)	(1,641)	(4,339)
Proceeds from issuance of convertible preferred stock			86,025
Proceeds from issuance of convertible promissory notes with warrants			3,000
Proceeds from the exercise of warrants			592
Proceeds from issuance of common stock pursuant to employee stock purchase plan			47
Payment of stock issuance costs			(1,867)
Net cash provided by financing activities	4,388	112,618	229,304
Net (decrease) increase in cash and cash equivalents	(20,603)	101,209	73,622
Beginning of period	94,225	15,274
Ending of period	73,622	116,483	73,622
Supplemental disclosures of cash and non-cash investing and financing transactions
Capital asset additions in accounts payable and accrued expenses	7,950	251	7,950
Cash paid for interest, net of amount capitalized	664	623	5,815
Reclass deferred offering costs to additional paid-in-capital upon initial public offering		4,296	4,296
Conversion of preferred stock warrants to common stock warrants upon initial public offering and reclassification of related liability to additional paid-in-capital		2,063	2,063
Deemed dividend-amortization of beneficial conversion feature on Series D-1 convertible preferred stock		1,094	3,872
Fixed assets acquired using ICM, Inc. credit		$ 288	726
Promissory notes and accrued interest converted to Series C preferred stock			3,043
Issuance of Series C preferred stock upon exercise of warrant (amount reclassified from liability to equity)			1,458
Issuance of Series D-1 preferred stock to ICM, Inc. in exchange for a credit against future services			1,000
Issued With Secured Long-Term Debt [Member]
Supplemental disclosures of cash and non-cash investing and financing transactions
Warrants issued	$ 120		1,746
Issued With Convertible Promissory Notes [Member]
Supplemental disclosures of cash and non-cash investing and financing transactions
Warrants issued			$ 505

Nature Of Business, Financial Condition And Basis Of Presentation	3 Months Ended
	Mar. 31, 2012
Nature Of Business, Financial Condition And Basis Of Presentation [Abstract]
Nature Of Business, Financial Condition And Basis Of Presentation	1. Nature of Business, Financial Condition and Basis of Presentation Nature of Business—Gevo, Inc. (together with its subsidiaries, "Gevo" or the "Company") is a renewable chemicals and next generation biofuels company focused on the development and commercialization of alternatives to petroleum-based products based on isobutanol produced from renewable feedstocks. Gevo, Inc. was incorporated in Delaware on June 9, 2005 ("Inception"). Gevo, Inc. formed Gevo Development, LLC ("Gevo Development") on September 18, 2009 to finance and develop biorefineries through joint venture, tolling arrangements or direct acquisition (Note 9). Gevo Development became a wholly owned subsidiary of the Company on September 22, 2010. Gevo Development purchased Agri-Energy, LLC ("Agri-Energy") on September 22, 2010. Agri-Energy, a wholly owned subsidiary of Gevo Development, is currently engaged in the business of producing and selling ethanol and related products produced at its ethanol plant located in Luverne, Minnesota (the "Agri-Energy Facility"). The Company is currently retrofitting the Agri-Energy Facility to the production of isobutanol which is expected to be completed by June 30, 2012. At March 31, 2012, the Company is considered to be in the development stage as its primary activities, since incorporation, have been conducting research and development, business development, business and financial planning, establishing its facilities, recruiting personnel and raising capital. Successful completion of the Company's research and development programs, and ultimately, the attainment of profitable operations are dependent upon future events, including completion of its development activities resulting in sales of isobutanol or isobutanol-derived products and/or technology, obtaining adequate financing to complete its development activities, obtaining adequate financing to acquire access to and complete the retrofit of ethanol plants to isobutanol production, gaining market acceptance and demand for its products and services, and attracting and retaining qualified personnel. Following the Company's acquisition of Agri-Energy on September 22, 2010, the Company began recording revenue from the sale of ethanol and related products. Because the production of ethanol is not the Company's intended business, the Company will continue to report as a development stage company until it begins to generate revenue from the sale of isobutanol or other products that are or will become the Company's intended business. Financial Condition—The Company's unaudited consolidated financial statements have been prepared on a going concern basis, which contemplates the realization of assets and the satisfaction of liabilities in the normal course of business. For the three months ended March 31, 2012, the Company incurred a consolidated net loss of $19.3 million and had an accumulated deficit of $153.9 million. The Company expects to incur future net losses as it continues to fund the development and commercialization of its product candidates. The Company has funded its activities since inception primarily through private placements of convertible preferred stock, the issuance of convertible and nonconvertible debt and proceeds raised through its initial public offering. The Company expects to obtain funding through additional equity offerings and issuance of debt until it achieves positive cash flow from operations. The Company's cash and cash equivalents at March 31, 2012 totaled $73.6 million. Management expects that cash on hand at March 31, 2012, combined with anticipated funding from future financings, will provide the Company with adequate funding for at least the next 12 months. In anticipation of future financings, the Company has filed a Form S-3, as amended, with the Securities and Exchange Commission (the "SEC") which is pending SEC approval. There are no assurances that the Company will be able to raise additional funds, or achieve or sustain profitability or positive cash flow from operations. The accompanying unaudited consolidated financial statements do not include any adjustments that may result from the Company's inability to raise sufficient funds or achieve profitability. Basis of Presentation—The unaudited consolidated financial statements of the Company (which includes the accounts of its wholly owned subsidiaries Gevo Development and Agri-Energy) have been prepared, without audit, pursuant to the rules and regulations of the SEC. Accordingly, they do not include all information and footnotes required by accounting principles generally accepted in the United States of America for complete financial statements. These statements reflect all normal and recurring adjustments which, in the opinion of management, are necessary to present fairly the financial position, results of operations and cash flows of the Company at March 31, 2012 and for all periods presented. These statements should be read in conjunction with the Company's consolidated financial statements and notes thereto included under the heading "Financial Statements and Supplementary Data" in Part II, Item 8 of the Company's Annual Report on Form 10-K for the year ended December 31, 2011, as amended (the "Annual Report"). The consolidated statements of operations for the three months ended March 31, 2012 and consolidated statements of cash flows for the three months ended March 31, 2012 are not necessarily indicative of the results to be expected for the full year. Refer to the economic conditions described under the heading "Risk Factors" in Part II, Item 1A of this Quarterly Report on Form 10-Q and "Risk Factors Relating to our Business and Strategy" in Part I, Item 1A of the Company's Annual Report.

Earnings Per Share

3 Months Ended

Mar. 31, 2012

Earnings Per Share [Abstract]

Earnings Per Share

2. Earnings Per Share

Basic net loss per share is computed by dividing the net loss attributable to Gevo, Inc. common stockholders for the period by the weighted-average number of common shares outstanding during the period. Diluted net loss per share is computed by dividing net loss attributable to Gevo, Inc. common stockholders for the period by the weighted-average number of dilutive common shares outstanding during the period. Dilutive shares outstanding are calculated by adding to the weighted shares outstanding any potential (unissued) shares of common stock and warrants based on the treasury stock method.

Diluted net loss per share is the same as basic net loss per share for all periods presented because any potentially dilutive common shares were anti-dilutive. Such potentially dilutive shares are excluded from the computation of diluted net loss per share when the effect would be to reduce net loss per share. Therefore, in periods when a loss is reported, the calculation of basic and dilutive net loss per share results in the same value.

The table below sets forth potentially dilutive securities that are excluded from the calculation of diluted net loss per share during each period as the effect was anti-dilutive.


	Three Months Ended March 31,
	2012		2011
Outstanding options to purchase common stock		3,501,805		3,107,619
Warrants to purchase common stock		1,229,998		1,086,785
Unvested restricted common stock		508,214		116,260

Total		5,240,017		4,310,664

Inventories

3 Months Ended

Mar. 31, 2012

Inventories [Abstract]

Inventories

3. Inventories

The following table sets forth the components of the Company's inventory balances (in thousands).


	March 31,		December 31,
	2012		2011
Raw materials
Corn	$	3,990	$	2,408
Enzymes and other inputs		85		151
Finished goods
Ethanol		405		349
Distiller's grains		54		17
Work in process		464		456
Spare parts		456		433

Total inventories	$	5,454	$	3,814

Included in cost of goods sold is depreciation of $0.5 million, $0.5 million and $3.1 million during the three months ended March 31, 2012 and 2011 and from Inception to March 31, 2012, respectively.

Property, Plant And Equipment

3 Months Ended

Mar. 31, 2012

Property, Plant And Equipment [Abstract]

Property, Plant And Equipment

4. Property, Plant and Equipment

The following table sets forth the Company's property, plant and equipment by classification (in thousands).


		March 31,			December 31,
		2012			2011
Buildings, site improvements, plant machinery and equipment	10 years	$	20,468		$	20,359
Construction in progress	—		21,792			8,403
Lab equipment, furniture and fixtures and vehicles	5 years		4,591			4,035
Demonstration plant	2 years		3,597			3,597
Pilot plant	3 years		721			721
Computer, office equipment and software	3 years		672			614
Leasehold improvements	5 years		561			523
Land	—		410			410
Tools and support equipment	5 years		105			105

Total property, plant and equipment			52,917			38,767
Less accumulated depreciation and amortization			(10,778	)		(9,990	)

Property, plant and equipment, net		$	42,139		$	28,777

The Company is currently capitalizing interest incurred associated with the retrofit of the Agri-Energy Facility. The Company capitalized $0.3 million of incurred interest during the three months ended March 31, 2012. Incurred interest that was capitalized during the three months ended March 31, 2011 was not material.

- Definition

The entire disclosure for long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software. This disclosure may include property plant and equipment accounting policies and methodology, a schedule of property, plant and equipment gross, additions, deletions, transfers and other changes, depreciation, depletion and amortization expense, net, accumulated depreciation, depletion and amortization expense and useful lives, income statement disclosures, assets held for sale and public utility disclosures.

+ References + Details

Derivative Instruments

3 Months Ended

Mar. 31, 2012

Derivative Instruments [Abstract]

Derivative Instruments

5. Derivative Instruments

Since the acquisition of Agri-Energy on September 22, 2010, the Company's activities expose it to a variety of market risks, including the effects of changes in commodity prices. These financial exposures are monitored and managed by the Company as an integral part of its overall risk management program. The Company's risk management program focuses on the unpredictability of financial and commodities markets and seeks to reduce the potentially adverse effects that the volatility of these markets may have on its operating results.

The Company periodically enters into forward purchase contracts for corn to ensure supply and manage the price of this commodity. These transactions are considered to be derivatives and during the year ended December 31, 2011 the Company designated all of its forward purchase contracts for corn under the normal purchase and normal sales scope exception and therefore they were not marked to market during the three months ended March 31, 2011. For new contracts entered into beginning January 1, 2012, the Company did not apply the normal purchase and normal sales scope exception to its forward purchase contracts. Accordingly at March 31, 2012 the Company recorded these contracts at their fair market value which has been included as a component of derivative asset or liability in the consolidated balance sheet. Changes in the fair market value during the three months ended March 31, 2012 have been recorded in cost of goods sold in the consolidated statements of operations.

The Company generally follows a policy of using exchange-traded futures contracts to reduce its net position in agricultural commodity inventories and forward cash purchase contracts to reduce price risk. Exchange-traded futures contracts are valued at market price and are recorded as a derivative asset or liability in the consolidated balance sheet. Changes in market price are recorded in cost of goods sold.

The Company's derivatives do not include any credit risk related contingent features. At March 31, 2012 and December 31, 2011, the Company had $0.4 million and $0.5 million, respectively, in a margin deposit account for its exchange-traded futures contracts. The Company has not designated any of its derivatives as hedges for financial accounting purposes.

Realized losses on the Company's exchange-traded futures contracts were not material during the three months ended March 31, 2012. The Company incurred realized losses of $0.8 million and $0.5 million on its exchange-traded futures contracts for the three months ended March 31, 2011 and from Inception to March 31, 2012, respectively, which have been recorded in cost of goods sold.

The following table summarizes the unrealized gains/(losses) of the Company's derivative instruments that were recorded in cost of goods sold in the consolidated statements of operations (in thousands).


	Three Months Ended March 31,						Inception to March 31, 2012
	2012			2011			Inception to March 31, 2012
Exchange-traded futures contracts	$	248		$	470		$	710
Forward purchase contracts		(47	)		(361	)		(90	)

The following table represents the Company's net short positions of the Company's derivative instruments (in thousands).


Year of Expiration	March 31, 2012 Corn Net Short Position Bushels		December 31, 2011 Corn Net Short Position Bushels
2012		465		77

- Definition

The entire disclosure for the entity's entire derivative instruments and hedging activities. Describes an entity's risk management strategies, derivatives in hedging activities and non-hedging derivative instruments, the assets, obligations, liabilities, revenues and expenses arising therefrom, and the amounts of and methodologies and assumptions used in determining the amounts of such items.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Statement of Financial Accounting Standard (FAS)
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+ Details

Accounts Payable And Accrued Expenses

3 Months Ended

Mar. 31, 2012

Accounts Payable And Accrued Expenses [Abstract]

Accounts Payable And Accrued Expenses

6. Accounts Payable and Accrued Liabilities

Accounts payable and accrued liabilities in the consolidated balance sheets at March 31, 2012 and December 31, 2011 consisted of the following (in thousands).


	March 31,		December 31,
	2012		2011
Accrued expenses — ICM, Inc.	$	7,558	$	1,634
Accrued employee compensation		3,165		941
Accounts payable — trade		2,756		6,193
Accrued legal related expenses		2,319		1,455
Cargill license agreement		704		924
Other accrued liabilities		1,319		1,293

Total accounts payable and accrued liabilities	$	17,821	$	12,440

Secured Long-Term Debt

3 Months Ended

Mar. 31, 2012

Secured Long-Term Debt [Abstract]

Secured Long-Term Debt

7. Secured Long-Term Debt

In January 2012, the Company's wholly owned subsidiary, Agri-Energy, borrowed $5.0 million under its amended and restated loan and security agreement (the "Amended Agri-Energy Loan Agreement") with TriplePoint Capital LLC ("TriplePoint"). The loan, which matures in January 2016, bears an interest rate of 11%. The loan provides for interest-only payments through July 2012 and an additional interest-only period of six months may be elected in the event that the Company has received net offering proceeds of at least $75.0 million from one or more secondary equity offerings by June 30, 2012. The Amended Agri-Energy Loan Agreement includes customary affirmative and negative covenants for agreements of this type and events of default. At March 31, 2012, the Company was in compliance with the financial covenants under the Amended Agri-Energy Loan Agreement.

The following table sets forth the information pertaining to the Company's secured long-term debt included in the Company's consolidated balance sheets (in thousands).


	March 31,			December 31,
	2012			2011
Lighthouse—Matures July 2012	$	730		$	1,241
TriplePoint—Matures August 2014		5,400			5,400
TriplePoint—Matures September 2014		13,500			13,500
TriplePoint—Matures October 2015		10,575			10,575
TriplePoint—Matures January 2016		5,287			—

Secured debt		35,492			30,716
Less unamortized debt discounts		(2,611	)		(2,473	)

		32,881			28,243
Less current portion of secured debt		(6,371	)		(3,491	)

Long-term portion of secured debt	$	26,510		$	24,752

Significant Agreements	3 Months Ended
Significant Agreements	Mar. 31, 2012
Significant Agreements [Abstract]
Significant Agreements	8. Significant Agreements *Off-Take, Distribution and Marketing Agreements* International Off-Take and Distribution Agreement with Sasol—On July 29, 2011, the Company and Sasol Chemical Industries Limited ("Sasol") entered into an international off-take agreement to market and distribute renewable isobutanol globally. The agreement has an initial term of three years and appoints Sasol as a non-exclusive distributor of high-purity isobutanol in North and South America and as the exclusive distributor for high-purity isobutanol for solvent and chemical intermediate applications in the rest of the world. Beginning upon the Company's first commercial sale of high-purity isobutanol, if Sasol desires to maintain its exclusive distribution rights, Sasol is obligated to either purchase certain minimum quantities of high-purity isobutanol or pay the Company applicable shortfall fees and the Company is obligated to either supply Sasol with certain minimum quantities of high-purity isobutanol or pay Sasol applicable shortfall fees. No amounts have been recorded under this agreement as of March 31, 2012. Exclusive Supply Agreement with LANXESS—On January 14, 2011, the Company entered into an exclusive supply agreement, as amended, with LANXESS Inc. ("LANXESS") pursuant to which LANXESS has granted the Company an exclusive first right to supply LANXESS and its affiliates with certain of their requirements for biobased isobutanol during the term of the agreement. The Company's exclusive first right to supply biobased isobutanol to LANXESS and its affiliates will be subject to the terms of a supply agreement to be mutually agreed upon by the parties at a later date. Additionally, pursuant to the terms of the exclusive supply agreement the Company has granted LANXESS, subject to certain exceptions and conditions, (i) an exclusive first right to acquire its biobased isobutanol to produce isobutylene and butenes for use and sale in the field of chemicals, and (ii) an exclusive right to use the Company's isobutanol to produce butadiene and isobutylene for use in the production of polybutadiene and butyl rubber. The initial term of the mutual exclusivity is ten years, subject to mutual extension. No costs have been incurred under this agreement as of March 31, 2012. Off-Take and Marketing Alliance Agreement and Renewable Fuels Supply Chain Agreement with Mansfield Oil Company—On August 12, 2011, the Company entered into a commercial off-take agreement with Mansfield Oil Company ("Mansfield"), to distribute isobutanol-based fuel into the petroleum market. The agreement allows Mansfield to blend the Company's isobutanol for its own use, and to be a distributor of the Company's isobutanol for a term of five years. The Company also entered into a three-year supply services agreement with C&N, a Mansfield subsidiary, which will provide supply chain services including logistics management, customer service support, invoicing and billing services. No amounts have been recorded under these agreements as of March 31, 2012. Ethanol Marketing Agreement with C&N, a subsidiary of Mansfield Oil Company—Substantially all ethanol sold through Agri-Energy from the date of acquisition through March 31, 2012 was sold to C&N pursuant to an ethanol purchase and marketing agreement. The ethanol purchase and marketing agreement with C&N was entered into on April 1, 2009 and automatically renews for subsequent one-year terms unless either party terminates the agreement 60 days before the end of a term. Under the terms of the agreement, C&N will market substantially all of Agri-Energy's ethanol production from the Agri-Energy Facility and will pay to Agri-Energy the gross sales price paid by the end customer less expenses and a marketing fee. Jet Fuel Supply Agreement with the Defense Logistics Agency (U.S. Air Force)—During September 2011, the Company was awarded a contract for the procurement of up to 11,000 gallons of biojet fuel for the purposes of certification and testing by the U.S. Air Force. The total contract value may be up to $0.6 million. The term of the agreement is through December 30, 2012. Revenue is recognized upon the transfer of risk of loss and title to the U.S. Air Force. The Company recorded $0.2 million of revenue under this award during the three months ended March 31, 2012. *Commercialization and Development Agreements* Development and Commercialization Agreements with ICM, Inc.—In October 2008, the Company signed development and commercialization agreements with ICM, Inc. ("ICM"). Under the terms of the development agreement, the Company performs commercial-scale isobutanol production trials in ICM's research plant and facility in St. Joseph, Missouri, the demonstration plant. The Company is required to pay for or reimburse ICM for engineering fees, equipment, plant modification costs, project fees and various operating expenses. The development agreement, as amended, was effective through December 31, 2011. In December 2011, the development agreement was amended a second time to extend the term indefinitely. The development agreement, as amended, may be cancelled by either party with 30 days' written notice. The Company did not incur any capital expenditures with ICM relating to the demonstration plant during the three months ended March 31, 2012. During the three months ended March 31, 2011, the Company incurred $0.3 million in capital expenditures with ICM relating to the demonstration plant. The commercialization agreement, as amended, is effective through October 15, 2018, and outlines the terms and fees under which ICM acts as the Company's exclusive provider of certain engineering and construction services. Also, under the commercialization agreement, the Company is ICM's exclusive technology partner for the production of butanols, pentanols and propanols from the fermentation of sugars. In addition to amounts recorded under the development and commercialization agreements noted above, the Company has also engaged ICM to perform engineering studies, plant evaluations and other services. In August 2011, the Company entered into a work agreement with ICM whereby ICM will provide engineering, procurement and construction services for the retrofit of ethanol plants. During the three months ended March 31, 2012 and 2011, the Company incurred $9.1 million and $0.3 million, respectively, in capital expenditures with ICM relating to the retrofit of the Agri-Energy Facility to future isobutanol production, which amounts are recorded within construction in progress on the Company's consolidated balance sheets. Joint Research, Development, License and Commercialization Agreement with The Coca-Cola Company —During November 2011, the Company entered into a joint research, development, license and commercialization agreement with The Coca-Cola Company ("Coca-Cola"). During the first two years of the agreement, Coca-Cola will pay the Company a fixed price fee for a research program as defined in the agreement. The Company recognizes these fees as revenue over the performance period. The payments received are not refundable. The Company recognized $0.3 million of revenue under this agreement during the three months ended March 31, 2012. *License Agreements* License Agreement with Cargill, Incorporated—During February 2009, the Company entered into a license agreement with Cargill, Incorporated ("Cargill") to obtain certain biological materials and license patent rights to use a biocatalyst owned by Cargill. Under the license agreement, Cargill has granted the Company an exclusive, royalty-bearing license, with limited rights to sublicense, to use the patent rights in a certain field, as defined in the license agreement. The license agreement contains five milestone payments totaling approximately $4.3 million that are payable after each milestone is completed. During 2009, two milestones were completed and the Company recorded the related milestone amounts, along with an up-front signing fee, totaling $0.9 million, to research and development expense. During March 2010, the Company completed milestone number three and recorded the related milestone amount of $2.0 million to research and development expense at its then-current present value of $1.6 million because the milestone payment will be paid over a period greater than 12 months from the date that it was incurred. Milestones number four and five included in the license agreement representing potential payments of up to $1.5 million have not been met as of March 31, 2012 and no amounts have been recorded as a liability for these milestones. Upon commercialization of a product which uses Cargill's biological material or is otherwise covered by the patent rights under the license agreement, a royalty based on net sales is payable by the Company, subject to a minimum royalty amount per year, as defined in the license agreement, and up to a maximum amount per year. The license agreement provides an option for Cargill to purchase a nonexclusive, royalty-bearing license for the use of a Company biocatalyst that utilizes the Cargill biological material or licensed patents for a royalty rate equal to the lowest rate offered to any third party. The Company may terminate the license agreement at any time upon 90 days' written notice. Unless terminated earlier, the license agreement remains in effect until the later of December 31, 2025 and the date that no licensed patent rights remain. *Other* Within its research and development activities, the Company routinely enters into research and license agreements with various entities. Future royalty payments may apply under these license agreements if the technologies are used in future commercial products. In addition, the Company may from time to time make gifts to universities and other organizations to expand research activities in its fields of interest. Any amounts paid under these agreements are generally recorded as research and development expenses as incurred. The Company has been awarded grants or cooperative agreements from a number of government agencies, including the U.S. Department of Energy, U.S. National Science Foundation, U.S. Environmental Protection Agency, Army Research Labs and the U.S. Department of Agriculture. Revenues recorded related to these grants and cooperative agreements are recorded within grant and research and development program revenue on the Company's statements of operations.

- Definition

Tabular disclosure of significant agreements under research and development arrangements accounted for as a contract to perform research and development for others (including royalty arrangements, purchase provisions, license agreements, and commitments to provide additional funding), aggregated by similar arrangements or individually if necessary to understand the effects on the financial statements. Include also the amount of costs incurred under a research and development arrangement accounted for as a contract to perform research and development for others. Aggregation of similar arrangements by type may be appropriate. Include also the amount of compensation earned (contract income) under a research and development arrangement accounted for as a contract to perform research and development for others. Aggregation of similar arrangements by type may be appropriate.

+ References + Details

Gevo Development	3 Months Ended
Gevo Development	Mar. 31, 2012
Gevo Development [Abstract]
Gevo Development	9. Gevo Development Gevo, Inc. formed Gevo Development on September 18, 2009 to finance and develop biorefineries through joint venture, tolling arrangements or direct acquisition. Biorefinery plants accessed through Gevo Development are intended to be retrofitted using Gevo, Inc.'s integrated fermentation technology to produce isobutanol. Gevo, Inc. currently owns 100% of the outstanding equity interests of Gevo Development as a wholly owned subsidiary. Gevo Development has two classes of membership interests outstanding. Gevo, Inc. is the sole owner of the class A interests. Prior to September 22, 2010, CDP Gevo, LLC ("CDP"), was the sole owner of the class B interests, which comprise 10% of the outstanding equity interests of Gevo Development. In September 2010, Gevo, Inc. became the sole owner of Gevo Development by acquiring 100% of the class B interests in Gevo Development from CDP pursuant to an equity purchase agreement. In exchange for the class B interests, CDP received aggregate consideration of $1.1 million. The original issuance of the class B interests was considered to be a grant of non-employee stock-based compensation. As vesting of the awards was dependent on counterparty performance conditions (the acquisition and retrofit of a biorefinery plant), no compensation expense had been recorded prior to September 22, 2010 because the lowest aggregate fair value of the awards was zero. Upon the purchase of the class B interests on September 22, 2010, the Company recorded stock-based compensation of $0.8 million, which reflected the amount paid during 2010 for the class B interests that were not dependent on counterparty performance. The Company paid $0.1 million during each of the three months ended March 31, 2012 and 2011. The final payment of $0.1 million made in January 2012 was dependent on the continued employment of the two co-managing directors of Gevo Development. The employment of the co-managing directors was terminated effective March 23, 2012 (refer to the Amended and Restated Warrant Agreement below). For the three months ended March 31, 2012 and 2011 and for the period from September 18, 2009 (formation date of Gevo Development) to March 31, 2012, Gevo, Inc. made capital contributions of $0.2 million, $1.9 million and $24.5 million, respectively, to Gevo Development. For the three months ended March 31, 2012 and 2011 and for the period from September 18, 2009 (formation date of Gevo Development) to March 31, 2012, Gevo Development (including Agri-Energy after September 22, 2010, the closing date of the acquisition) incurred a net loss of $1.8 million, $0.9 million and $5.6 million, respectively, which has been fully allocated to Gevo, Inc.'s capital contribution account based upon its capital contributions (for the period prior to September 22, 2010) and 100% ownership (for the period after September 22, 2010). Amended and Restated Warrant Agreement— The warrant agreement, as amended, details the terms upon which the Company has granted a warrant to CDP to purchase 858,000 shares of Gevo, Inc. common stock. The warrant agreement has an exercise price of $2.70 per share which was the estimated fair value of a share of Gevo, Inc.'s common stock on the grant date. The warrant expires in September 2016, unless terminated earlier as provided in the agreement. The warrant shares were initially unvested and vested in increments upon the achievement of specific performance milestones. On September 22, 2010, the beneficial owners of the equity interests of CDP became employees of Gevo, Inc. and the warrant agreement was amended and restated to provide that 50% of the warrant shares granted under such warrant agreement would vest on September 22, 2010. The remaining warrant shares vest over a two-year period beginning on September 22, 2010, subject to acceleration and termination in certain circumstances. The Company valued the warrant at $14.0 million. Effective March 23, 2012, the employment of the beneficial owners of CDP was terminated. Pursuant to the terms of the warrant agreement, all unvested warrant shares became immediately vested and, as such, the Company recorded $2.6 million of stock-based compensation expense during the three months ended March 31, 2012. During the three months ended March 31, 2011, the Company recorded $0.9 million of stock-based compensation associated with this warrant agreement. Since its formation, Gevo Development has been and continues to be considered a variable interest entity. Gevo, Inc., the primary beneficiary of Gevo Development, has both (i) the power to direct the activities of Gevo Development that most significantly impact Gevo Development's economic performance and (ii) the obligation to absorb losses of Gevo Development that could potentially be significant to Gevo Development or the right to receive benefits from Gevo Development that could potentially be significant to Gevo Development. As such, Gevo Development is consolidated. The accounts of Agri-Energy are consolidated within Gevo Development as a wholly owned subsidiary. As of March 31, 2012 and December 31, 2011, Gevo Development does not have any assets that can be used only to settle obligations of Gevo Development. However, under the terms of Agri-Energy's loan and security agreement with TriplePoint, as amended, subject to certain limited exceptions, Agri-Energy is only permitted to pay dividends if certain conditions are satisfied. As of March 31, 2012 and December 31, 2011, the creditors of Gevo Development have recourse to the general credit of Gevo, Inc. with the exception of $2.6 million and $4.5 million, respectively, which are recorded within current liabilities, which includes the liabilities of Agri-Energy. No gain or loss was recognized by the Company upon the initial consolidation of Gevo Development.

- Definition

The entire disclosure for a business combination (or series of individually immaterial business combinations) completed during the period, including background, timing, and recognized assets and liabilities. The disclosure may include leverage buyout transactions (as applicable).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Emerging Issues Task Force (EITF)
-Number 88-16
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 141
-Paragraph 51, 52
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 141R
-Appendix F
-Paragraph F4
-Subparagraph e

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 141R
-Paragraph 67-73
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
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Reference 6: http://www.xbrl.org/2003/role/presentationRef
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Reference 7: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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Reference 8: http://www.xbrl.org/2003/role/presentationRef
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Reference 9: http://www.xbrl.org/2003/role/presentationRef
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Reference 10: http://www.xbrl.org/2003/role/presentationRef
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Reference 14: http://www.xbrl.org/2003/role/presentationRef
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Reference 18: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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Reference 19: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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-URI http://asc.fasb.org/extlink&oid=6972119&loc=d3e1383-128463

+ Details

Redfield Energy, LLC	3 Months Ended
Redfield Energy, LLC	Mar. 31, 2012
Redfield Energy, LLC [Abstract]
Redfield Energy, LLC	10. Redfield Energy, LLC On June 15, 2011, Gevo Development entered into an isobutanol joint venture agreement (the "Joint Venture Agreement") with Redfield Energy, LLC, a South Dakota limited liability company ("Redfield"), and executed the second amended and restated operating agreement of Redfield (together, the "Joint Venture Documents"). Under the terms of the Joint Venture Documents, Gevo Development and Redfield have agreed to work together to retrofit Redfield's approximately 50 million gallon per year ethanol production facility located near Redfield, South Dakota (the "Redfield Facility") for the commercial production of isobutanol. Under the terms of the Joint Venture Agreement, Redfield has issued 100 Class G membership units in Redfield (the "Class G Units") to Gevo Development. Gevo Development is the sole holder of Class G units, which entitle Gevo Development to certain information and governance rights with respect to Redfield, including the right to appoint two members of Redfield's 11-member board of managers. The Class G units currently carry no interest in the allocation of profits, losses or other distributions of Redfield and no voting rights. Such rights will vest upon the commencement of commercial isobutanol production at the Redfield Facility, at which time Gevo Development anticipates consolidating Redfield's operations because Gevo anticipates it will control the activities that are most significant to the entity. Gevo Development will be responsible for all costs associated with the retrofit of the Redfield Facility. Redfield will remain responsible for certain expenses incurred by the facility including certain repair and maintenance expenses and any costs necessary to ensure that the facility is in compliance with applicable environmental laws. The Company anticipates that the Redfield Facility will continue its current ethanol production activities during much of the retrofit. Once the retrofit assets have been installed, the ethanol production operations will be suspended to enable testing of the isobutanol production capabilities of the facility (the "Performance Testing Phase"). During the Performance Testing Phase, Gevo Development will be entitled to receive all revenue generated by the Redfield Facility and will make payments to Redfield to cover the costs incurred by Redfield to operate the facility plus the profits, if any, that Redfield would have received if the facility had been producing ethanol during that period (the "Facility Payments"). Gevo Development has also agreed to maintain an escrow fund during the Performance Testing Phase as security for its obligation to make the Facility Payments. If certain conditions are met, commercial production of isobutanol at the Redfield Facility will begin upon the earlier of the date upon which certain production targets have been met or the date upon which the parties mutually agree that commercial isobutanol production at the Redfield Facility will be commercially viable at the then-current production rate. At that time, (i) Gevo Development will have the right to appoint a total of four members of Redfield's 11-member board of managers, and (ii) the voting and economic interests of the Class G units will vest and Gevo Development, as the sole holder of the Class G Units, will be entitled to a percentage of Redfield's profits, losses and distributions, to be calculated based upon the demonstrated isobutanol production capabilities of the Redfield Facility. Gevo Development, or one of its affiliates, will be the exclusive marketer of all products produced by the Redfield Facility once commercial production of isobutanol has begun. Additionally, Gevo, Inc. will license the technology necessary to produce isobutanol at the Redfield Facility to Redfield, subject to the continuation of the marketing arrangement described above. In the event that the isobutanol production technology fails or Redfield is permanently prohibited from using such technology, Gevo Development will forfeit the Class G Units and lose the value of its investment in Redfield. Gevo, Inc. entered into a guaranty effective as of June 15, 2011, pursuant to which it has unconditionally and irrevocably guaranteed the payment by Gevo Development of any and all amounts owed by Gevo Development pursuant to the terms and conditions of the Joint Venture Agreement and certain other agreements that Gevo Development and Redfield expect to enter into in connection with the retrofit of the Redfield Facility. The Company has begun the project engineering and permitting process of the Redfield retrofit. As of March 31, 2012, the Company has incurred $0.1 million in costs for the retrofit of the Redfield Facility which have been recorded on the Company's consolidated balance sheet in deposits and other assets.

- Definition

The entire disclosure for equity investment, or group of investments, for which combined disclosure is appropriate, including: (a) the name of each investee and percentage of ownership of common stock, (b) accounting policies for investments in common stock, (c) difference between the amount at which the investment is carried and the amount of underlying equity in net assets and the accounting treatment of the difference, (d) the total fair value of each identified investment for which a market value is available, (e) summarized information as to assets, liabilities, and results of operations of the investees (for investments in unconsolidated subsidiaries, common stock of joint ventures, or other investments using the equity method), and (f) material effects of possible conversions, exercises, or contingent issuances of the investee. Other disclosures include (a) the names of any investee in which the investor owns 20 percent or more of the voting stock and investment is not accounted for using the equity method, and the reasons why not, and (b) the names of any investee in which the investor owns less than 20 percent of the voting stock and the investment is accounted for using the equity method, and the reasons why it is.

+ References + Details

Stock-Based Compensation

3 Months Ended

Mar. 31, 2012

Stock-Based Compensation [Abstract]

Stock-Based Compensation

11. Stock-Based Compensation

The Company records expense during the vesting period for share-based payment awards granted to employees and non-employees. The following table sets forth the Company's stock-based compensation expense (in thousands).


					From June 9, 2005
					(Date of Inception)
	Three Months Ended March 31,				To
	2012		2011		March 31, 2012
Stock options issued to employees and board members
Research and development	$	158	$	90	$	1,468
Selling, general and administrative		555		249		5,001

Stock options issued to non-employees
Research and development		11		69		347
Selling, general and administrative		—		—		164

Restricted stock issued to employees and board members
Research and development		481		3		670
Selling, general and administrative		276		13		699

Restricted stock issued to non-employees
Research and development		—		25		285

Employee Stock Purchase Plan
Research and development		11		—		34
Selling, general and administrative		11		—		42

Warrant issued to CDP
Selling, general and administrative		2,616		872		13,955

Non-cash stock-based compensation		4,119		1,321		22,665

Modified stock option awards
Selling, general and administrative		659		—		1,269

Purchase of Class B interests of Gevo Development from CDP for cash
Selling, general and administrative		74		74		1,144

Cash stock-based compensation		733		74		2,413

Total stock-based compensation	$	4,852	$	1,395	$	25,078

- Definition

The entire disclosure for compensation-related costs for equity-based compensation, which may include disclosure of policies, compensation plan details, allocation of equity compensation, incentive distributions, equity-based arrangements to obtain goods and services, deferred compensation arrangements, employee stock ownership plan details and employee stock purchase plan details.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 123R
-Paragraph 64, 65, A240
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher AICPA
-Name Statement of Position (SOP)
-Number 93-6
-Paragraph 53
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Staff Accounting Bulletin (SAB)
-Number Topic 14

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 50
-Section 50
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-URI http://asc.fasb.org/extlink&oid=6406099&loc=d3e25284-112666

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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-Topic 718
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901

Reference 6: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
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-Topic 718
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-URI http://asc.fasb.org/extlink&oid=6418621&loc=d3e17540-113929

+ Details

Stockholders' Equity	3 Months Ended
Stockholders' Equity	Mar. 31, 2012
Stockholders' Equity [Abstract]
Stockholders' Equity	12. Stockholders' Equity The Company currently grants share-based payment awards under the Gevo, Inc. 2010 Stock Incentive Plan ("2010 Plan") which was approved by its stockholders in February 2011. The Company has reserved 2,576,989 shares of common stock for issuance under the 2010 Plan and there were 1,080,870 shares and 1,665,802 shares available for grant as of March 31, 2012 and December 31, 2011, respectively.

- Definition

The entire disclosure for shareholders' equity, comprised of portions attributable to the parent entity and noncontrolling interest, if any, including other comprehensive income (as applicable). Including, but not limited to: (1) balances of common stock, preferred stock, additional paid-in capital, other capital and retained earnings; (2) accumulated balance for each classification of other comprehensive income and total amount of comprehensive income; (3) amount and nature of changes in separate accounts, including the number of shares authorized and outstanding, number of shares issued upon exercise and conversion, and for other comprehensive income, the adjustments for reclassifications to net income; (4) rights and privileges of each class of stock authorized; (5) basis of treasury stock, if other than cost, and amounts paid and accounting treatment for treasury stock purchased significantly in excess of market; (6) dividends paid or payable per share and in the aggregate for each class of stock for each period presented; (7) dividend restrictions and accumulated preferred dividends in arrears (in aggregate and per share amount); (8) retained earnings appropriations or restrictions, such as dividend restrictions; (9) impact of change in accounting principle, initial adoption of new accounting principle and correction of an error in previously issued financial statements; (10) shares held in trust for Employee Stock Ownership Plan (ESOP); (11) deferred compensation related to issuance of capital stock; (12) note received for issuance of stock; (13) unamortized discount on shares; (14) description, terms, and number of warrants or rights outstanding; (15) shares under subscription and subscription receivables, effective date of new retained earnings after quasi-reorganization and deficit eliminated by quasi-reorganization and, for a period of at least ten years after the effective date, the point in time from which the new retained dates; and (16) retroactive effective of subsequent change in capital structure.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher AICPA
-Name Accounting Principles Board Opinion (APB)
-Number 12
-Paragraph 10
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 04
-Article 3

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Article 4
-Section 08
-Paragraph d

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher AICPA
-Name Accounting Research Bulletin (ARB)
-Number 43
-Chapter 1
-Section B
-Paragraph 7, 11A
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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-Number 129
-Paragraph 2, 3, 4, 5, 6, 7, 8
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-Section 08
-Article 4

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-Section 02
-Paragraph 29, 30, 31
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Reference 9: http://www.xbrl.org/2003/role/presentationRef
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+ Details

Commitments And Contingencies	3 Months Ended
Commitments And Contingencies	Mar. 31, 2012
Commitments And Contingencies [Abstract]
Commitments And Contingencies	13. Commitments and Contingencies Legal Matters – On January 14, 2011, Butamax Advanced Biofuels LLC ("Butamax"), a joint venture between BP Biofuels North America LLC and E. I. DuPont de Nemours and Co. ("DuPont"), filed a complaint (the "Complaint") in the United States District Court for the District of Delaware, as Case No. 1:11-cv-00054-SLR, alleging that the Company is infringing one or more claims made in U.S. Patent No. 7,851,188 (the "'188 Patent"), entitled "Fermentive Production of Four Carbon Alcohols." The '188 Patent, which has been assigned to Butamax, claims certain recombinant microbial host cells that produce isobutanol and methods for the production of isobutanol using such host cells. Butamax is seeking a declaratory judgment, injunctive relief, damages and costs, including attorney's fees and expenses. On March 25, 2011, the Company filed a response to the Complaint, denying Butamax's allegations of infringement and raising affirmative defenses. On August 11, 2011, Butamax amended the Complaint to include allegations that the Company is infringing one or more claims made in U.S. Patent No. 7,993,889 (the "'889 Patent"), also entitled "Fermentive Production of Four Carbon Alcohols" (the "Amended Complaint"). The '889 Patent, which has been assigned to Butamax, claims methods for producing isobutanol using certain recombinant yeast microorganisms expressing an engineered isobutanol biosynthetic pathway. On September 22, 2011, Butamax filed a motion requesting a preliminary injunction with respect to the alleged infringement of the '899 Patent. The Company believes that the Amended Complaint is without merit and will continue to aggressively defend its freedom to operate. On September 13, 2011, the Company filed an answer to the Amended Complaint in which the Company asserted counterclaims against Butamax and DuPont for infringement of U.S. Patent No. 8,017,375, entitled "Yeast Organism Producing Isobutanol at a High Yield" and U.S. Patent No. 8,017,376, entitled "Methods of Increasing Dihydroxy Acid Dehydratase Activity to Improve Production of Fuels, Chemicals, and Amino Acids," both of which were recently awarded to the Company by the United States Patent and Trademark Office. The counterclaim seeks a declaratory judgment, injunctive relief, damages and costs, including attorney's fees and expenses. On January 24, 2012, the Company filed a complaint in the United States District Court for the District of Delaware, as Case No. 1:12-cv-00070-SLR, alleging that Butamax and DuPont are infringing one or more claims made in U.S. Patent No. 8,101,808 (the "'808 Patent") entitled "Recovery of Higher Alcohols from Dilute Aqueous Solutions." The '808 Patent claims methods to produce a C3-C6 alcohol—for example, isobutanol—through fermentation and to recover that alcohol from the fermentation medium. The Company is seeking a declaratory judgment, injunctive relief, damages and costs, including attorney's fees and expenses. On March 12, 2012, Butamax filed a complaint in the United States District Court for the District of Delaware, as Case No. 1:12-cv-00298-SLR, alleging that the Company is infringing one or more claims made in U.S. Patent No. 8,129,162, entitled "Ketol-Acid Reductoisomerase Using NADH." This complaint is in addition to the Amended Complaint discussed above. Butamax is seeking a declaratory judgment, injunctive relief, damages, interest, costs and expenses, including attorneys' fees. The Company believes that it has meritorious defenses to these claims and intends to vigorously defend this lawsuit. On March 13, 2012, the Company filed a complaint in the United States District Court for the District of Delaware, as Case No. 1:12-cv-00301-SLR, alleging that Butamax and DuPont are infringing U.S. Patent No. 8,133,715, entitled "Reduced By-Product Accumulation for Improved Production of Isobutanol" (the "'715 Patent"). The '715 Patent claims recombinant microorganisms, including yeast, with modifications for the improved production of isobutanol. The Company is seeking a declaratory judgment, injunctive relief, damages and costs, including attorney's fees and expenses. On April 10, 2012, the Company filed a complaint (the "Gevo Complaint") in the United States District Court for the District of Delaware, as Case No. 1:12-cv-00448-SLR, alleging that Butamax and DuPont are infringing one or more claims made in U.S. Patent No. 8,153,415 (the "'415 Patent") entitled "Reduced By-Product Accumulation for Improved Production of Isobutanol." The '415 Patent claims technology which eliminates two pathways that compete for isobutanol pathway intermediates in yeast. The Company is seeking a declaratory judgment, injunctive relief, damages and costs, including attorney's fees and expenses. On April 17, 2012, the Company amended the Gevo Complaint to include allegations that Butamax and DuPont are infringing one or more claims made in U.S. Patent No. 8,158,404 (the "'404 Patent") entitled "Reduced By-Product Accumulation for Improved Production of Isobutanol." The '404 Patent claims the elimination of an important enzyme pathway in isobutanol-producing yeast. The Company is seeking a declaratory judgment, injunctive relief, damages and costs, including attorney's fees and expenses. Due to the very early stage of this litigation, the Company has determined that the possible loss or range of loss related to this litigation cannot be reasonably estimated at this time. Guarantees and Indemnifications – In the ordinary course of its business, the Company makes certain indemnities, commitments, and guarantees under which it may be required to make payments in relation to certain transactions. The Company believes the fair value of these indemnification agreements is minimal and, as such, has not recorded any liability for these indemnities in the consolidated balance sheets. The Company, as permitted under Delaware law and in accordance with its amended and restated certificate of incorporation and amended and restated bylaws, indemnifies its officers and directors for certain events or occurrences, subject to certain limits, while the officer or director is or was serving at the Company's request in such capacity. The duration of these indemnifications, commitments, and guarantees varies and, in certain cases, is indefinite. The maximum amount of potential future indemnification is unlimited; however, the Company has a director and officer insurance policy that may enable it to recover a portion of any future amounts paid. The Company accrues for losses for any known contingent liability, including those that may arise from indemnification provisions, when future payment is probable. No such losses have been recorded to date.

- Definition

The entire disclosure for commitments and contingencies.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name FASB Interpretation (FIN)
-Number 14
-Paragraph 3
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Reference 2: http://www.xbrl.org/2003/role/presentationRef
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-URI http://asc.fasb.org/extlink&oid=6449706&loc=d3e16207-108621

+ Details

Fair Value Measurements	3 Months Ended
Fair Value Measurements	Mar. 31, 2012
Fair Value Measurements [Abstract]
Fair Value Measurements	14. Fair Value Measurements Accounting standards define fair value, outline a framework for measuring fair value, and detail the required disclosures about fair value measurements. Under these standards, fair value is defined as the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date in the principal or most advantageous market. Standards establish a hierarchy in determining the fair market value of an asset or liability. The fair value hierarchy has three levels of inputs, both observable and unobservable. Standards require the utilization of the highest possible level of input to determine fair value. Level 1 – inputs include quoted market prices in an active market for identical assets or liabilities. Level 2 – inputs are market data, other than Level 1, that are observable either directly or indirectly. Level 2 inputs include quoted market prices for similar assets or liabilities, quoted market prices in an inactive market, and other observable information that can be corroborated by market data. Level 3 – inputs are unobservable and corroborated by little or no market data. The carrying value of cash and cash equivalents, receivables, and accounts payable approximate their respective fair values due to the short-term nature of these instruments. Based on borrowing rates which management believes would currently be available to the Company for similar issues of debt, taking into account the current credit risk of the Company and other market factors, the carrying value of the Company's debt obligations approximate their fair value. The fair value of the Company's debt obligations was based upon Level 3 inputs. The fair value of the Company's derivative instruments are derived based upon a market approach. The fair value of exchange-traded derivative instruments was $0.1 million and $(0.2) million at March 31, 2012 and December 31, 2011, respectively, and is based on Level 1 inputs using quoted market prices. The fair value of forward purchase contracts for corn was $(47,000) and $(15,000) at March 31, 2012 and December 31, 2011, respectively, based upon Level 2 inputs being the price at the delivery location adjusted for basis differentials, counterparty credit quality, the effect of the Company's own credit worthiness, the time value of money and/or the liquidity of the market. At March 31, 2012 and December 31, 2011, there were no transactions measured at fair value on a nonrecurring basis. While the Company believes that its valuation methods are appropriate and consistent with other market participants, it recognizes that the use of different methodologies or assumptions to determine the fair value of certain financial instruments could result in a different estimate of fair value at the reporting date.

- Definition

The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 133
-Paragraph 44A, 44B
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Reference 3: http://www.xbrl.org/2003/role/presentationRef
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Reference 4: http://www.xbrl.org/2003/role/presentationRef
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Reference 5: http://www.xbrl.org/2003/role/presentationRef
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+ Details

Information On Business Segments

3 Months Ended

Mar. 31, 2012

Information On Business Segments [Abstract]

Information On Business Segments

15. Information on Business Segments

The Company's chief operating decision maker is provided with and reviews the financial results of each of the Company's consolidated legal entities, Gevo, Gevo Development, and Agri-Energy. The Company organizes its business segments based on the nature of the products and services offered through each of the Company's consolidated legal entities. All revenue is earned, and all assets are held, in the U.S. The financial results of Gevo Development and Agri-Energy have been aggregated in the following table as this segment is currently responsible for the production of ethanol and related products and will be responsible for isobutanol and related products.


	Three Months Ended March 31,
	2012			2011
Revenues:
Gevo	$	614		$	172
Gevo Development / Agri-Energy		14,258			15,109

Consolidated	$	14,872		$	15,281

Operating income (loss):
Gevo	$	(17,211	)	$	(7,999	)
Gevo Development / Agri-Energy		(1,009	)		(413	)

Consolidated	$	(18,220	)	$	(8,412	)

Interest expense:
Gevo	$	286		$	379
Gevo Development / Agri-Energy		801			513

Consolidated	$	1,087		$	892

Depreciation Expense:
Gevo	$	266		$	501
Gevo Development / Agri-Energy		522			512

Consolidated	$	788		$	1,013

Acquisitons of plant, property and equipment:
Gevo	$	654		$	317
Gevo Development / Agri-Energy		7,391			488

Consolidated	$	8,045		$	805


	March 31,			December 31,
	2012			2011
Total assets:
Gevo	$	90,810			104,843
Gevo Development / Agri-Energy		72,055			66,304
Intercompany eliminations		(34,890	)		(38,117	)

Consolidated	$	127,975		$	133,030

- Definition

The entire disclosure for reporting segments including data and tables. Reportable segments include those that meet any of the following quantitative thresholds a) it's reported revenue, including sales to external customers and intersegment sales or transfers is 10 percent or more of the combined revenue, internal and external, of all operating segments b) the absolute amount of its reported profit or loss is 10 percent or more of the greater, in absolute amount of 1) the combined reported profit of all operating segments that did not report a loss or 2) the combined reported loss of all operating segments that did report a loss c) its assets are 10 percent or more of the combined assets of all operating segments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Statement of Financial Accounting Standard (FAS)
-Number 131
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef
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+ Details