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DEBT - Berkshire Bank & Trust Company Loan Facility (Details)
6 Months Ended 12 Months Ended
Aug. 25, 2021
USD ($)
Dec. 21, 2016
USD ($)
Sep. 30, 2021
USD ($)
Mar. 31, 2021
USD ($)
Debt Instrument [Line Items]        
Proceeds from term loan     $ 4,000,000  
Revolver loan        
Debt Instrument [Line Items]        
Interest payments     1,444  
Unused borrowing capacity     $ 3,500,000 $ 2,700,000
Berkshire Loan        
Debt Instrument [Line Items]        
Debt Instrument Covenant Leverage Ratio Year One     2.50 1.00
Debt Instrument Covenant Maximum Capital Expenditures To Be Incurred Year Four And Thereafter     $ 1,500,000  
Debt Instrument Covenant Loan To Value Ratio     0.75 1.00
Unamortized Debt Issuance Expense     $ 117,708 $ 26,272
Berkshire Loan | Revolving Credit Facility        
Debt Instrument [Line Items]        
Maximum Amount Of Borrowing Base Required To Grant Loan Advance $ 5,000,000      
Debt Instrument Percentage Of Accounts Receivable Used For Determination Of Aggregate Amount Of Advances 80.00%      
Debt Instrument Percentage Of Eligible Raw Material Used For Determination Of Aggregate Amount Of Advances 25.00%      
Amount Included In Sum To Calculate Maximum Borrowing Base $ 250,000      
Berkshire Loan | Revolver loan        
Debt Instrument [Line Items]        
Maximum Amount Of Borrowing Base Required To Grant Loan Advance     5,000,000  
Amount outstanding     $ 865,049  
Debt Instrument Debt Service Coverage Ratio Threshold     1.20 1.00
Nonrefundable Commitment Fee, Percentage     0.25%  
Adjusted interest rate (as a percent) 2.75%      
Berkshire Loan | Revolver loan | Prime Rate        
Debt Instrument [Line Items]        
Adjusted interest rate (as a percent) 2.75%      
Basis spread on variable rate (as a percent) 0.70%      
Berkshire Loan | Secured Term Loan        
Debt Instrument [Line Items]        
Principal amount of debt   $ 2,400,000    
Maturity term   60 months    
Debt instrument, Periodic Payment   $ 19,260    
Interest rate (as a percent)   5.21%    
Prepayment period   45 days    
Berkshire Loan | Restated Promissory Note        
Debt Instrument [Line Items]        
Debt Instrument Percentage Of Appraised Value Of Equipment For Determination Of Aggregate Amount Of Advances 80.00%      
Berkshire Loan | Ranor, Inc. | Secured Term Loan        
Debt Instrument [Line Items]        
Principal amount of debt   $ 2,850,000    
Stadco Term Loan at 3.79% interest, due August 2028        
Debt Instrument [Line Items]        
Principal amount of debt $ 4,000,000      
Maturity term 7 years      
Debt instrument, Periodic Payment $ 54,390      
Interest rate (as a percent)     3.79%  
Stadco Term Loan at 3.79% interest, due August 2028 | Ranor, Inc. | Revolver loan        
Debt Instrument [Line Items]        
Principal amount of debt $ 4,000,000      
Ranor term loan | Ranor, Inc. | Revolver loan        
Debt Instrument [Line Items]        
Proceeds from term loan   $ 2,850,000