Note 2 - Accounting Standards and Significant Accounting Policies (Details Textual) - USD ($)	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Interest Rate on Financing Receivable	6.00%
Property, Plant and Equipment, Minimum Cost Capitalization	$ 2,000
Funds Due To Organization	8,288,000	$ 7,133,000
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense	$ 0	$ 0
Minimum [Member] | Furniture and Fixtures [Member]
Property, Plant and Equipment, Useful Life (Year)	5 years
Minimum [Member] | Building [Member]
Property, Plant and Equipment, Useful Life (Year)	15 years
Maximum [Member] | Furniture and Fixtures [Member]
Property, Plant and Equipment, Useful Life (Year)	7 years
Maximum [Member] | Building [Member]
Property, Plant and Equipment, Useful Life (Year)	39 years