Equity-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2012

Equity-Based Compensation

Equity-based compensation expense, excluding amounts that have been capitalized into inventory

	Three Months Ended June 30,				Six Months Ended June 30,
	2012		2011		2012		2011
Cost of product sales	$	68	$	157	$	146	$	352
Research and development	525		639		947		1,281
Selling, general and administrative	984		1,825		2,169		5,463
Total equity-based compensation expense	$	1,577	$	2,621	$	3,262	$	7,096