Note 6 - Related Party Transactions (Details Textual) - USD ($)	3 Months Ended		9 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2022	Dec. 31, 2021
Majority Shareholder [Member]
Ownership Interest, Number of Shares (in shares)	15,243,283		15,243,283
Ownership Interest Percentage	72.40%		72.40%
Vigers Appraisal And Consulting Ltd [Member]
Income From Advanced Payment of Rental and Utility Fees	$ 40,000	$ 500	$ 119,000	$ 1,100
Due from Related Parties, Current, Total	$ 800	$ 500	$ 800	$ 500