Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation (Narrative) (Details)

v3.20.2
Stock-Based Compensation (Narrative) (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 28, 2020
Jun. 30, 2019
Jun. 28, 2020
Jun. 30, 2019
Stock-based compensation $ 967 $ 872 $ 1,823 $ 1,622
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number 194,266   194,266  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term     2 years 2 months 23 days  
Share-based Payment Arrangement, Option [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period     5 years  
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period     10 years  
2012 Omnibus Equity Incentive Plan [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant 85,876   85,876  
2012 Omnibus Equity Incentive Plan [Member] | Restricted Stock Units (RSUs) [Member]        
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount $ 8,900   $ 8,900  
Minimum [Member] | Restricted Stock Units (RSUs) [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period     4 years  
Maximum [Member] | Restricted Stock Units (RSUs) [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period     5 years