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Subsequent events	12 Months Ended
Subsequent events	Sep. 30, 2020
Subsequent Events [Abstract]
Subsequent events	Subsequent events During the period December 8, 2020 through December 15, 2020, the Company sold 209,371 shares of stock under our ATM for an average price of $3.82 pursuant to our agreement with Northland Securities, Inc. as described in Note 12 – Equity Distribution Agreement and Sale of Common Stock. On December 16, 2020, the Company renewed its revolving bank line of credit for one year to a maturity date of December 17, 2021. As part of this renewal, the revolving bank line of credit remained $4.0 million, or the sum of 80% of eligible accounts receivable and 60% of eligible inventory, as defined in the loan agreement. Quarterly interest payments are based on WSJP, floating, with the addition of a 4% floor rate and a fixed charge coverage ratio of 1.25 to be tested quarterly beginning June 30, 2021.