v3.26.1
Note 2 - Investments - Amortized Cost and Fair Value of Debt Securities By Contractual Maturity (Details) - USD ($)
Jun. 30, 2026
Dec. 31, 2025
One year or less, amortized cost $ 374,537 $ 1,074,089
One year or less, fair value 373,419 1,072,360
After one year through five years, amortized cost 26,955,703 23,367,252
After one year through five years, fair value 26,763,606 23,263,307
After five years through ten years, amortized cost 3,541,709 4,878,273
After five years through ten years, fair value 3,444,331 4,797,585
More than 10 years, amortized cost 19,011,375 19,722,631
More than 10 years, fair value 15,935,144 16,711,796
Debt securities, amortized cost, total 92,554,865 90,036,854
Debt securities, fair value, total 88,686,166 86,534,704
Redeemable Preferred Stock [Member]    
Debt securities, amortized cost 1,671,335 2,142,141
Debt securities, fair value 1,506,863 1,998,438
Debt securities, amortized cost, total 1,671,335 2,142,141
Debt securities, fair value, total 1,506,863 1,998,438
Collateralized Mortgage-Backed Securities [Member]    
Debt securities, amortized cost 41,000,206 38,852,468
Debt securities, fair value 40,662,803 38,691,218
Debt securities, amortized cost, total 41,000,206 38,852,468
Debt securities, fair value, total $ 40,662,803 $ 38,691,218