Note 15 - Paycheck Protection Program and Employment Support Scheme (Details Textual) - USD ($)	12 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Jul. 05, 2021
Statement [Line Items]
Government Assistance, Amount	$ 34,000	$ 207,000
Paycheck Protection Program Loan [Member]
Statement [Line Items]
Debt Instrument, Face Amount			$ 204,400
Interest Payable			$ 2,400
Employment Support Scheme [Member]
Statement [Line Items]
Government Assistance, Amount	$ 34,000	$ 0