v3.7.0.1
Stockholders’ Equity - Summary of Stock-based Compensation in Accompanying Consolidated Statements (Details) - USD ($)
$ in Thousands
3 Months Ended
Apr. 01, 2017
Mar. 26, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Stock-based compensation $ 1,603 $ 1,373
Cost of revenue    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Stock-based compensation 92 75
Selling and marketing    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Stock-based compensation 246 185
Research and development    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Stock-based compensation 281 230
General and administrative    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Stock-based compensation 984 878
Income from discontinued operations    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Stock-based compensation $ 0 $ 5