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Stock-Based Compensation (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended
Mar. 29, 2020
Mar. 31, 2019
Jan. 15, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Number of shares granted in period 863,128    
Number of shares vested 404,477    
Stock-based compensation $ 1,132 $ 1,526  
Unrecognized Stock-Based Compensation Expense, Non-vested Shares $ 8,000    
Weighted Average Remaining Vesting Period, Non-Vested Shares 2 years 4 months 24 days    
Expected Stock-Based Compensation, Remainder of Fiscal Year $ 3,200    
Certain Employees and Officers [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Number of Shares Available for Grant     790,000
Outside Directors [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Number of Shares Available for Grant     73,128
Restricted Stock Units (RSUs) [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Number of shares vested 20,486    
Share Price $ 2.92