Stock-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2013

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 months ended March 31, 2013 and 2012, was as follows:

	Three Months Ended
	March 31,
	2013		2012
Cost of goods sold	$	150	$	88
Operating expenses:
Research and development	205		151
Clinical and regulatory affairs	403		34
Marketing and sales	578		282
General and administrative	894		458
Total operating expenses	$	2,080	$	925
Total	$	2,230	$	1,013