v3.26.3
Investment Securities (Details 3)
Sep. 30, 2026
USD ($)
integer
Dec. 31, 2025
USD ($)
integer
Fair value less than 12 months $ 23,646,210 $ 980,268
Unrealized loss less than 12 months 1,324,259 3,766
Fair value 12 months or more 89,299,370 116,193,331
Unrealized loss 12 months or more $ 15,728,877 $ 12,711,558
Number of securities | integer 164 169
Fair value $ 112,945,580 $ 117,173,599
Unrealized loss 17,053,136 12,715,324
Taxable municipal securities    
Fair value less than 12 months 0 0
Unrealized loss less than 12 months 0 0
Fair value 12 months or more 251,276 265,563
Unrealized loss 12 months or more $ 48,724 $ 34,437
Number of securities | integer 1 1
Fair value $ 251,276 $ 265,563
Unrealized loss 48,724 34,437
Tax-exempt municipal securities    
Fair value less than 12 months 5,164,340 980,268
Unrealized loss less than 12 months 519,507 3,766
Fair value 12 months or more 4,092,794 5,553,783
Unrealized loss 12 months or more $ 891,236 $ 491,049
Number of securities | integer 21 14
Fair value $ 9,257,134 $ 6,534,051
Unrealized loss 1,410,743 494,815
U.S. GSE Debt Securities    
Fair value less than 12 months 0 0
Unrealized loss less than 12 months 0 0
Fair value 12 months or more 10,371,345 11,443,777
Unrealized loss 12 months or more $ 628,655 $ 556,223
Number of securities | integer 10 11
Fair value $ 10,371,345 $ 11,443,777
Unrealized loss 628,655 556,223
Other investment [Member]    
Fair value less than 12 months   0
Unrealized loss less than 12 months   0
Fair value 12 months or more   487,866
Unrealized loss 12 months or more   $ 8,134
Number of securities | integer   2
Fair value   $ 487,866
Unrealized loss   8,134
U.S. Government securities    
Fair value less than 12 months 0 0
Unrealized loss less than 12 months 0 0
Fair value 12 months or more 3,963,602 11,335,980
Unrealized loss 12 months or more $ 36,865 $ 185,660
Number of securities | integer 7 21
Fair value $ 3,963,602 $ 11,335,980
Unrealized loss 36,865 185,660
Agency mortgage-backed securities (Agency MBS) [Member]    
Fair value less than 12 months 18,481,870 0
Unrealized loss less than 12 months 804,752 0
Fair value 12 months or more 69,429,403 83,695,677
Unrealized loss 12 months or more $ 14,025,242 $ 11,344,758
Number of securities | integer 120 112
Fair value $ 87,911,273 $ 83,695,677
Unrealized loss 14,829,994 11,344,758
ABS and OAS [Member]    
Fair value less than 12 months 0 0
Unrealized loss less than 12 months 0 0
Fair value 12 months or more 1,112,216 1,666,881
Unrealized loss 12 months or more $ 95,529 $ 78,970
Number of securities | integer 4 4
Fair value $ 1,112,216 $ 1,666,881
Unrealized loss 95,529 78,970
CMO [Member]    
Fair value less than 12 months 0 0
Unrealized loss less than 12 months 0 0
Fair value 12 months or more 78,734 1,743,804
Unrealized loss 12 months or more $ 2,626 $ 12,327
Number of securities | integer 1 4
Fair value $ 78,734 $ 1,743,804
Unrealized loss $ 2,626 $ 12,327