Note 15 - Subsequent Events (Details Textual) - USD ($)	1 Months Ended		3 Months Ended
Note 15 - Subsequent Events (Details Textual) - USD ($)	May 31, 2024	Apr. 30, 2024	Mar. 31, 2024	Mar. 31, 2023
Proceeds from Issuance of Common Stock			$ 95,104	$ 700,000
Tumim Stone Capital LLC [Member] \| Subsequent Event [Member]
Stock Issued During Period, Shares, New Issues (in shares)	138,226	46,442
Shares Issued, Price Per Share (in dollars per share)	$ 1.27	$ 1.56
Proceeds from Issuance of Common Stock	$ 169,717	$ 70,168