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Long-term Debt - Schedule of Long-Term Debt (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2020
Dec. 29, 2019
Debt Instrument [Line Items]    
Unamortized discount $ 359 $ 400
Total debt excluding Revolver 34,666 36,067
Less current maturities 2,847 2,847
Long-term debt – Less current maturities 31,819 33,220
Line of credit for capital expenditures    
Debt Instrument [Line Items]    
Total debt excluding Revolver $ 1,300 1,300
Line of credit | New US Term Loan | Secured debt    
Debt Instrument [Line Items]    
Effective interest rate 5.853%  
Unamortized discount $ 300  
Total debt excluding Revolver 23,725 24,383
Line of credit | New US Term Loan | Secured debt | September 30, 2020    
Debt Instrument [Line Items]    
Principal payment 300  
Line of credit | New US Term Loan | Secured debt | September 30, 2021    
Debt Instrument [Line Items]    
Principal payment 600  
Line of credit | New US Term Loan | Secured debt | November 7, 2023    
Debt Instrument [Line Items]    
Principal payment $ 800  
Line of credit | CA term loan | Secured debt    
Debt Instrument [Line Items]    
Effective interest rate 5.853%  
Unamortized discount $ 100  
Total debt excluding Revolver 9,641 $ 10,384
Line of credit | CA term loan | Secured debt | November 7, 2023    
Debt Instrument [Line Items]    
Principal payment $ 400  
Line of credit | Line of credit for capital expenditures    
Debt Instrument [Line Items]    
Effective interest rate 5.862%  
Line of credit | Line of credit for capital expenditures | September 30, 2020    
Debt Instrument [Line Items]    
Percent of principal payment 7.50%  
Line of credit | Line of credit for capital expenditures | September 30, 2021    
Debt Instrument [Line Items]    
Percent of principal payment 10.00%  
Line of credit | Line of credit for capital expenditures | November 7, 2023    
Debt Instrument [Line Items]    
Percent of principal payment 12.50%