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Stock-Based Compensation (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 6 Months Ended
Jun. 28, 2015
Jun. 29, 2014
Jun. 28, 2015
Jun. 29, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Weighted Average Grant Date Price, Granted Shares $ 10.38   $ 7.89  
Stock-based compensation $ 363 $ 291 $ 704 $ 587
Unrecognized Stock-Based Compensation Expense, Non-vested Shares 3,200   $ 3,200  
Weighted Average Remaining Vesting Period, Non-Vested Shares     2 years 6 months  
Expected Stock-Based Compensation, Remainder of Fiscal Year $ 700   $ 700  
Officer [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share-based Compensation Arrangement by Share-based Payment Award, Annual Vesting Percentage 20.00%      
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period 5 years      
Director [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Stock Issued During Period, Shares, Restricted Stock Award, Gross 9,636