General form of registration statement for all companies including face-amount certificate companies

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Note 9 - 2021 Registered Direct Offering (Details Textual)

v3.23.3

Note 9 - 2021 Registered Direct Offering (Details Textual) - USD ($)				6 Months Ended
	Feb. 22, 2021	Feb. 17, 2021	Feb. 11, 2021	Jun. 30, 2023	Sep. 30, 2022
Stock Issued During Period, Shares, New Issues		215,625		215,625
Warrants and Rights Outstanding, Term				5 years
Series K Warrant [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights			161,719	161,719	161,719
Warrants and Rights Outstanding, Term			5 years 6 months
Placement Agent 2 Warrants [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights			16,172	16,172	16,172
Class of Warrant or Right, Exercise Price of Warrants or Rights			$ 40.00
Warrants and Rights, Percent of Stock Oustanding Callable			7.50%
The 2021 Registered Direct Offering [Member]
Stock Issued During Period, Shares, New Issues	215,625		215,625
Shares Issued, Price Per Share			$ 32.00
Class of Warrant or Right, Exercise Price of Warrants or Rights			$ 34.00
Proceeds from Issuance or Sale of Equity			$ 6,900,000
Payments of Stock Issuance Costs			700,000
The 2021 Registered Direct Offering [Member] \| Non-accountable Expense Fee [Member]
Securities Purchase Agreement, Potential Fees			10,000
The 2021 Registered Direct Offering [Member] \| Fees and Expenses of Legal Counsel and Other Out-of-pocket Expenses [Member]
Securities Purchase Agreement, Potential Fees			50,000
The 2021 Registered Direct Offering [Member] \| Clearing Expenses [Member]
Securities Purchase Agreement, Potential Fees			$ 10,000
The 2021 Registered Direct Offering [Member] \| Participating Investors [Member]
Securities Purchase Agreement, Cash Placement Fee			7.50%
The 2021 Registered Direct Offering [Member] \| Certain Investors With Pre-existing Relationships [Member]
Securities Purchase Agreement, Cash Placement Fee			6.00%

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The cash placement fee under a securities purchase agreement.

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The cash outflow for cost incurred directly with the issuance of an equity security.

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Number of new stock issued during the period.

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Period between issuance and expiration of outstanding warrant and right embodying unconditional obligation requiring redemption by transferring asset at specified or determinable date or upon event certain to occur, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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