v3.7.0.1
Stockholders’ Equity - Summary of Stock-based Compensation in Accompanying Consolidated Statements (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jul. 01, 2017
Jun. 25, 2016
Jul. 01, 2017
Jun. 25, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Stock-based compensation $ 1,948 $ 1,649 $ 3,551 $ 3,022
Cost of revenue        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Stock-based compensation 105 79 197 154
Selling and marketing        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Stock-based compensation 295 229 541 414
Research and development        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Stock-based compensation 370 279 651 509
General and administrative        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Stock-based compensation 1,178 1,059 2,162 1,937
Loss (income) from discontinued operations        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Stock-based compensation $ 0 $ 3 $ 0 $ 8