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NOTES PAYABLE AND FINANCING TRANSACTIONS (Narrative) (Details) - USD ($)
3 Months Ended 12 Months Ended
Oct. 02, 2018
Sep. 06, 2018
Sep. 30, 2020
Sep. 30, 2019
Jun. 30, 2020
Debt Instrument [Line Items]          
Interest expense     $ 54,000 $ 59,000  
Minnesota Bank & Trust [Member]          
Debt Instrument [Line Items]          
Debt instrument, origination fee   $ 60,000      
Percentage of late payment fee         5.00%
Increased percentage of default late payment         3.00%
Minnesota Bank & Trust [Member] | Business Loan Agreement ("Revolving Loan Agreement") [Member]          
Debt Instrument [Line Items]          
Debt instrument, maturity date   Nov. 06, 2020      
Debt instrument, face amount   $ 2,000,000      
Interest rate   4.50%      
Minnesota Bank & Trust [Member] | Business Loan Agreement ("Term Loan Agreement") [Member]          
Debt Instrument [Line Items]          
Debt instrument, maturity date   Oct. 01, 2025      
Debt instrument, face amount   $ 5,000,000      
Interest rate   5.53%      
Interest expense $ 18,433        
Debt instrument, periodic payment of principal and interest beginning November 1, 2018   $ 72,000