Stock-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2012

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs

Stock-based compensation expense included in cost of goods sold and operating expenses during the three and six months ended June 30, 2012 and 2011 was as follows:

	Three Months Ended June 30,				Six Months Ended June 30,
	2012		2011		2012		2011
Cost of goods sold	$	116	$	—	$	204	$	40
Operating expenses:
Research and development	182		277		333		415
Clinical and regulatory affairs	44		35		78		61
Marketing and sales	398		445		680		851
General and administrative	604		329		1,062		517
Total operating expenses	$	1,228	$	1,086	$	2,153	$	1,844
Total	$	1,344	$	1,086	$	2,357	$	1,884