Stock-Based Compensation (Tables)

3 Months Ended

Mar. 30, 2013

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

Schedule of Stock-Based Compensation Expense

Total stock-based compensation expense included in our Condensed Consolidated Statements of Operations and Comprehensive Income (Loss) was as follows (in thousands):

	Three Months Ended
	March 30, 2013		March 31, 2012
Line item:
Cost of products sold	$	125	$	107
Research and development	772		622
Selling, general and administrative	1,015		895
Total stock-based compensation	$	1,912	$	1,624