Quarterly report pursuant to Section 13 or 15(d)

Note 8 - Subsequent Events (Details Textual)

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Note 8 - Subsequent Events (Details Textual) - shares
9 Months Ended
Dec. 31, 2021
Apr. 29, 2021
Subsequent Event [Member] | Warrant Issued in April 2021 for Consulting [Member]    
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares)   71,500
Warrants and Rights Outstanding, Term (Year)   5 years
Forecast [Member]    
Stock Issued During Period, Shares, Issued for Services (in shares) 5,000