Note 2 - Investments - Mortgage Loans by Maturity Date (Details) - USD ($)	Mar. 31, 2026	Dec. 31, 2025
One year or less	$ 8,927,979	$ 8,728,034
After one year through five years	17,432,681	15,016,121
Total	26,360,660	23,744,155
Allowance for credit losses	(187,619)	(99,118)
Carrying value	$ 26,173,041	$ 23,645,037

Amortized cost, before allowance for credit loss, of financing receivable. Excludes financing receivable covered under loss sharing agreement and net investment in lease.

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+ Details