Stock-Based Compensation

6 Months Ended

Jun. 30, 2011

Note 7—Stock-Based Compensation

Total stock-based compensation cost was recorded in our Condensed Consolidated Financial Statements as follows (in thousands):


	Three months ended				Six months ended
	June 30,				June 30,
	2011		2010		2011		2010
Cost of goods sold	$	330	$	229	$	662	$	435
Research and development expense		2,120		1,734		4,089		3,301
General and administrative expense		2,430		2,398		4,931		4,369

Total stock-based compensation	$	4,880	$	4,361	$	9,682	$	8,105

During the three months ended June 30, 2011 and 2010, we granted 263,910 and 718,230 stock options, respectively. The weighted average grant-date fair value of options granted during the three months ended June 30, 2011 and 2010 was $4.90 per share and $7.34 per share, respectively.

During the six months ended June 30, 2011 and 2010, we granted 2,391,965 and 4,475,155 stock options, respectively. The weighted average grant-date fair value of options granted during the six months ended June 30, 2011 and 2010 was $5.65 per share and $6.17 per share, respectively.

As a result of stock issuances under our equity compensation plans, during the three months ended June 30, 2011 and 2010, we issued 281,776 and 212,299 common shares, respectively, and during the six months ended June 30, 2011 and 2010, we issued 787,476 and 850,423 common shares, respectively.