Stock-Based Compensation (Tables)

9 Months Ended

Sep. 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 nine months ended September 30, 2012 and 2011, was as follows:

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2012		2011		2012		2011
Cost of goods sold	$	183	$	141	$	387	$	181
Operating expenses:
Research and development	165		238		498		653
Clinical and regulatory affairs	67		37		145		98
Marketing and sales	361		269		1,041		1,120
General and administrative	389		595		1,451		1,112
Total operating expenses	$	982	$	1,139	$	3,135	$	2,983
Total	$	1,165	$	1,280	$	3,522	$	3,164