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Long-Term Debt (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2021
Mar. 31, 2022
Jun. 30, 2021
Debt by current and non-current      
Outstanding     $ 3,904,000
Less: current maturities     (2,386,000)
Long-term debt     $ 1,518,000
Paycheck Protection Program      
Long-term debt disclosure:      
Loan forgiven $ 3,904,000    
Debt forgiveness, audit term   6 years  
Term Loans      
Long-term debt disclosure:      
Interest rate     1.00%
Debt by current and non-current      
Outstanding     $ 3,904,000
Term Loans | Paycheck Protection Program      
Long-term debt disclosure:      
Debt instrument, face   $ 3,904,000  
Revolver Agreement      
Long-term debt disclosure:      
Line of credit, maximum borrowing capacity   $ 11,000,000 $ 11,000,000
Stock collateral (as a percent)   65%  
Revolver Agreement | LIBOR | Minimum [Member]      
Long-term debt disclosure:      
Interest rate   1.15%  
Revolver Agreement | LIBOR | Maximum [Member]      
Long-term debt disclosure:      
Interest rate   2.00%  
Revolver Agreement | Prime rate      
Long-term debt disclosure:      
Basis spread   0.25%