v3.26.1
Note 2 - Investments (Details Textual)
6 Months Ended 12 Months Ended
Jun. 30, 2026
USD ($)
a
Jun. 30, 2025
USD ($)
Dec. 31, 2025
USD ($)
Mar. 31, 2026
USD ($)
Debt Securities, Available-for-Sale, Unrealized Loss Position, Number of Positions 403      
Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss $ 9,478,689      
Debt Securities, Available-for-Sale, Unrealized Loss Position 170,624,481      
Long-term Investments 48,677,433   $ 51,276,119  
Deposit Assets 5,082,632   5,074,730  
Other Assets, Fair Value Disclosure $ 5,038,316   5,077,193  
Number Of Loans Past Due 35 33    
Financing Receivable, Excluding Accrued Interest, 90 Days or More Past Due, Still Accruing   $ 7,935,123   $ 6,435,923
Past Due Loans, Term Past Due (Year) 90 years 90 years    
Number of Mortgage Loans in Default 10 10    
Mortgage Loans in Process of Foreclosure, Amount $ 1,034,571 $ 2,304,822    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Foreclosure 307,892 459,180    
Real Estate Investments, Net 2,683,607   2,526,085  
Proceeds from Sale, Real Estate, Held-for-Investment 184,832 $ 294,982    
Topeka Kansas [Member] | TLIC [Member] | Underdeveloped Land [Member]        
Land $ 280,000      
Jefferson City Missouri [Member] | FBLIC [Member] | Assets Held-for-sale not Part of a Disposal Group [Member]        
Area of Land (Acre) | a 0.5      
Jefferson City Missouri [Member] | FBLIC [Member] | Underdeveloped Land [Member]        
Land $ 131,000      
New Investments [Member]        
Other Commitment 4,766,466   4,872,846  
Lottery Prize Cash Flows [Member]        
Other Investments 47,788,375   50,487,453  
Long-term Investments 47,788,375   50,487,453  
Co-op Loans [Member]        
Other Investments 550,597      
Long-term Investments 550,597   556,682  
Commercial Mortgage-Backed Securities [Member]        
Long-term Investments 338,461   231,984  
Commercial Mortgage-Backed Securities [Member] | Reported Value Measurement [Member]        
Long-term Investments 388,106   282,698  
Commercial Mortgage-Backed Securities [Member] | Estimate of Fair Value Measurement [Member]        
Long-term Investments $ 338,461   $ 231,984  
Debt Securities [Member]        
Debt Securities, Available-for-Sale, Unrealized Loss Position, Number of Positions 403   303  
Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss $ 9,478,689   $ 7,862,780  
Debt Securities, Available-for-Sale, Unrealized Loss Position 170,624,481   115,625,899  
Amortized Cost of Debt Securities Available for Sale in an Unrealized Loss Position $ 180,103,170   $ 123,488,679  
Fair Value to Cost Ratio 95.00%   94.00%  
Residential Mortgage [Member]        
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Foreclosure $ 307,892   $ 459,180  
Real Estate Investments, Net 150,370   452,370  
Gains (Losses) on Sales of Investment Real Estate 34,462   44,054  
Proceeds from Sale, Real Estate, Held-for-Investment $ 184,832   $ 496,424