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Line of Credit - Factor (Details) - USD ($)
6 Months Ended
Aug. 11, 2021
Jan. 15, 2015
Sep. 30, 2021
Line of Credit - Factor      
Percentage of maximum borrowing capacity of eligible accounts receivables under the line of credit   80.00%  
Over advance percentage of maximum borrowing capacity of eligible accounts receivables under the line of credit   100.00%  
Over advance maximum percentage of maximum borrowing capacity of eligible accounts receivables under the line of credit 50.00% 50.00%  
Line of credit facility, capacity available for trade purchases $ 1,500,000 $ 500,000  
Accounts receivables factoring agreement term     2 years
Line of credit facility, remaining borrowing capacity     $ 2,413,000
Long-term Line of Credit     $ 1,889,000
Variable rate on the debt instrument (as a percent)     2.00%
Effective interest rate (as a percent)     5.25%