v3.26.1
Note 2 - Investments - Valuation Allowance on Securities (Details) - Real Estate Loan [Member] - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Change in provision for credit losses $ (24,505) $ (422,252) $ 63,996 $ 10,723
Specific Allowance [Member]        
Beginning allowance balance 0 250,000 0 0
Change in provision for credit losses 46,492 (250,000) 46,492 420,013
Charge-offs (46,492) 0 (46,492) (420,013)
Ending Allowance 0 0 0 0
General Allowance [Member]        
Beginning allowance balance 66,408 238,660 99,118 55,685
Change in provision for credit losses 96,706 (172,252) 63,996 10,723
Charge-offs 0 0 0 0
Ending Allowance $ 163,114 $ 66,408 $ 163,114 $ 66,408