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Note 6 - Paycheck Protection Program Loan (Details Textual) - USD ($)			1 Months Ended		10 Months Ended	12 Months Ended
	Dec. 21, 2021	Sep. 07, 2021	Feb. 28, 2021	May 30, 2020	Feb. 28, 2021	Mar. 31, 2022	Mar. 31, 2026	Mar. 31, 2025
Paycheck Protection Program CARES Act [Member]
Proceeds from Notes Payable, Total			$ 332,542	$ 381,000	$ 713,542
Gain (Loss) on Extinguishment of Debt		$ 361,275				$ 693,817
Gain (Loss) on Extinguishment of Debt		361,275				$ 693,817
Paycheck Protection Program CARES Act [Member] \| Loans Payable [Member]
Gain (Loss) on Extinguishment of Debt	$ 332,542
Gain (Loss) on Extinguishment of Debt	$ 332,542
PPP Term Loan One [Member]
Loans Payable, Total		$ 19,725					$ 0	$ 896
Debt Instrument, Interest Rate, Stated Percentage		1.00%
Debt Instrument, Maturity Date		May 15, 2025