Note 6 - Related Party Transactions (Details Textual)	3 Months Ended	9 Months Ended
Dec. 31, 2023 USD ($) shares	Dec. 31, 2023 USD ($) shares
Majority Shareholder [Member]
Ownership Interest, Number of Shares (in shares) \| 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	$ 119,000
Accounts Payable	$ 1,000	$ 1,000

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 942
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(15)(5))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 944
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(15)(a))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1

Name:	us-gaap_AccountsPayableCurrentAndNoncurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant