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LONG-TERM DEBT, Credit Agreement (Details) - Senior Secured Term Loan Credit Facility [Member] - USD ($)
9 Months Ended
Sep. 03, 2019
Sep. 30, 2020
Jun. 30, 2020
Credit Agreement [Abstract]      
Debt instrument, face amount $ 20,000,000    
Lender's closing cost 550,000    
Financing fee $ 600,000    
Percentage of gross proceeds considered as financing fee 3.00%    
Interest rate 8.75%   11.25%
Increase in interest rate in event of default 4.00%    
Principal installment payable $ 300,000    
Debt instrument maturity date   Sep. 03, 2023  
Outstanding loan balance, net   $ 18,000,000.0  
September 4, 2019 to September 3 ,2020 [Member]      
Credit Agreement [Abstract]      
Percentage of prepaid principal as premium 10.00%    
September 4, 2020 to September 3 ,2021 [Member]      
Credit Agreement [Abstract]      
Percentage of prepaid principal as premium 8.00%    
September 4, 2021 to September 3 ,2022 [Member]      
Credit Agreement [Abstract]      
Percentage of prepaid principal as premium 4.00%    
LIBOR [Member]      
Credit Agreement [Abstract]      
Term of variable rate   1 month  
Basis spread on variable rate 2.50%