XML 53 R42.htm IDEA: XBRL DOCUMENT v3.21.1
LINE OF CREDIT AND LONG-TERM DEBT - Long Term Debt (Details) - EBC Credit Agreement - Capex Loan - USD ($)
Aug. 07, 2020
Mar. 31, 2021
Jan. 01, 2021
Nov. 27, 2020
Nov. 26, 2020
Dec. 31, 2019
Debt Instrument            
Line of credit, maximum borrowing capacity $ 2,000,000          
Minimum advance request 500,000          
Advance request multiples 100,000          
Debt instrument interest rate effective percentage   1.15%        
Daily availability requirements $ 1,000,000          
Line of credit capital expenditure limitation     $ 3,000,000 $ 4,000,000 $ 3,000,000 $ 3,000,000
Line of credit, minimum required availability     $ 2,000,000 $ 1,000,000   $ 2,000,000
LIBOR            
Debt Instrument            
Interest rate (percentage) 7.00%          
Prime Rate            
Debt Instrument            
Interest rate (percentage) 0.50%          
Federal fund rate            
Debt Instrument            
Interest rate (percentage) 6.00%