Stock-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2014

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, 2014 and 2013, was as follows:

	Three Months Ended
	March 31,
	2014			2013
Cost of goods sold	$	208		$	150
Operating expenses:
Research and development	161			205
Clinical and regulatory affairs	(103		)	403
Marketing and sales	538			578
General and administrative	809			894
Total operating expenses	$	1,405		$	2,080
Total	$	1,613		$	2,230