Stock-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2014

Stock-Based Compensation Expense

The following table sets forth the Company’s stock-based compensation expense (in thousands) for the periods indicated.

	Three Months Ended June 30,				Six Months Ended June 30,				From Inception to
	2014		2013		2014		2013		June 30, 2014
Stock options and ESPP awards
Research and development	$	128	$	170	$	259	$	335	$	3,376
Selling, general and administrative		225		466		539		1,088		9,645
Restricted stock awards
Research and development		87		-		271		-		1,087
Selling, general and administrative		198		364		434		664		3,837
Warrants issued
Selling, general and administrative		-		39		-		39		13,994
Non-cash stock-based compensation		638		1,039		1,503		2,126		31,939
Modified stock option awards
Selling, general and administrative		-		-		-		-		1,500
Purchase of Class B interests of Gevo Development from CDP for cash
Selling, general and administrative		-		-		-		-		1,144
Cash stock-based compensation		-		-		-		-		2,644
Total stock-based compensation	$	638	$	1,039	$	1,503	$	2,126	$	34,583