XML 55 R42.htm IDEA: XBRL DOCUMENT v3.5.0.2
Stock-Based Compensation - Schedule of Allocation of Recognized Period Cost (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jul. 03, 2016
Jun. 28, 2015
Jul. 03, 2016
Jun. 28, 2015
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]        
Total costs and expenses $ 439 $ 491 $ 1,001 $ 988
Cost of revenue        
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]        
Total costs and expenses 47 27 85 66
Research and development        
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]        
Total costs and expenses 175 212 466 403
Selling, general and administrative        
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]        
Total costs and expenses $ 217 $ 252 $ 450 $ 519