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 9 Months Ended
Sep. 27, 2020
Sep. 29, 2019
Sep. 27, 2020
Sep. 29, 2019
Stock-based compensation $ 941 $ 801 $ 2,764 $ 2,423
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  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number 192,097   192,097  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term     2 years  
Restricted Stock Units (RSUs) [Member]        
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount $ 8,000   $ 8,000  
2020 Omnibus Equity Incentive Plan [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant 1,115,070   1,115,070  
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