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Borrowings (Details) - USD ($)
$ in Thousands
12 Months Ended
May 01, 2020
Dec. 31, 2020
Mar. 13, 2020
Revolving Credit Facility [Member]      
Borrowings [Abstract]      
Maximum borrowing capacity     $ 10,000
Maturity date   Mar. 13, 2023  
Interest rate   6.50%  
Deferred financing costs     $ 245
Percentage fee on unused borrowings   0.50%  
Percentage of eligible accounts receivable   85.00%  
Eligible inventory   $ 5,000  
Percentage of eligible raw material   50.00%  
Percentage of eligible finished goods inventory   60.00%  
Additional borrowing capacity   $ 4,500  
Revolving Credit Facility [Member] | Prime Rate [Member]      
Borrowings [Abstract]      
Basis spread on variable rate   1.75%  
Revolving Credit Facility [Member] | Federal Funds Rate [Member]      
Borrowings [Abstract]      
Basis spread on variable rate   2.25%  
Revolving Credit Facility [Member] | TD Bank [Member] | Revolving Credit Facility [Member]      
Borrowings [Abstract]      
Maximum borrowing capacity   $ 20,000  
Percentage fee on unused borrowings   0.125%  
Revolving Credit Facility [Member] | TD Bank [Member] | Revolving Credit Facility [Member] | Prime Rate [Member]      
Borrowings [Abstract]      
Basis spread on variable rate   (1.00%)  
PPP Loan [Member]      
Borrowings [Abstract]      
Maturity date May 01, 2022    
Basis spread on variable rate 1.00%    
Face amount $ 2,200