Note 14 - Shareholder Advances (Details Textual) - USD ($)	2 Months Ended	6 Months Ended		8 Months Ended
	May 31, 2023	Mar. 31, 2023	Mar. 31, 2022	May 31, 2023
Proceeds from Shareholder Advances		$ 230,000	$ 0	$ 538,000
Subsequent Event [Member]
Proceeds from Shareholder Advances	$ 308,000
Subsequent Event [Member] \| Single Investor [Member]
Proceeds from Shareholder Advances	488,000
Subsequent Event [Member] \| Third Party [Member]
Proceeds from Shareholder Advances	350,000
Subsequent Event [Member] \| In Connection With Near Term Capital Raise [Member]
Proceeds from Shareholder Advances	$ 50,000