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Note 9 - Investments (Details Textual) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
	Jul. 31, 2024	Jun. 30, 2025	Sep. 30, 2024	Jun. 30, 2025	Dec. 31, 2024
Real Estate Investment Property, at Cost	$ 3.6
Payment for Acquisition, Real Estate, Held-for-Investment	1.8
Note to Acquire Investment Property [Member]
Debt Instrument, Face Amount	$ 1.8
Debt Instrument, Interest Rate, Stated Percentage	5.00%
Long-Term Debt, Gross		$ 1.8		$ 1.8	$ 1.8
Debt Instrument, Interest Rate, Effective Percentage		5.00%		5.00%	5.00%
Howard Jonas [Member]
Related Party Transaction, Amounts of Transaction			$ 0.9
Accounts Receivable, after Allowance for Credit Loss					$ 0.9
Payments to Develop Real Estate Assets		$ 0.7		$ 1.1
Investment Property [Member]
Subsidiary, Ownership Percentage, Parent	51.00%
Investment Property [Member] \| Howard Jonas [Member]
Subsidiary, Ownership Percentage, Noncontrolling Owner	49.00%	29.90%	49.00%	29.90%	44.10%