Investment Securities (Details) - USD ($)	9 Months Ended	12 Months Ended
Sep. 30, 2026	Dec. 31, 2025
Investment Securities
Amortized Cost	$ 130,162,738	$ 156,694,754
Gross Unrealized Gains	2,568	549,328
Gross Unrealized Losses	17,053,136	12,715,324
Fair Value	113,112,170	144,528,758
Taxable municipal securities
Investment Securities
Amortized Cost	300,000	300,000
Gross Unrealized Gains	0	0
Gross Unrealized Losses	48,724	34,437
Fair Value	251,276	265,563
Tax-exempt municipal securities
Investment Securities
Amortized Cost	10,667,877	10,712,772
Gross Unrealized Gains	0	105,694
Gross Unrealized Losses	1,410,743	494,815
Fair Value	9,257,134	10,323,651
U.S. GSE Debt Securities
Investment Securities
Amortized Cost	11,000,000	12,000,000
Gross Unrealized Gains	0	0
Gross Unrealized Losses	628,655	556,223
Fair Value	10,371,345	11,443,777
Other investment [Member]
Investment Securities
Amortized Cost		496,000
Gross Unrealized Gains		0
Gross Unrealized Losses		8,134
Fair Value		487,866
U.S. Government securities
Investment Securities
Amortized Cost	4,000,467	11,521,640
Gross Unrealized Gains	0	0
Gross Unrealized Losses	36,865	185,660
Fair Value	3,963,602	11,335,980
Agency mortgage-backed securities (Agency MBS) [Member]
Investment Securities
Amortized Cost	102,905,289	118,162,360
Gross Unrealized Gains	2,568	443,634
Gross Unrealized Losses	14,829,994	11,344,758
Fair Value	88,077,863	107,261,236
ABS and OAS [Member]
Investment Securities
Amortized Cost	1,207,745	1,745,851
Gross Unrealized Gains	0	0
Gross Unrealized Losses	95,529	78,970
Fair Value	1,112,216	1,666,881
CMO [Member]
Investment Securities
Amortized Cost	81,360	1,756,131
Gross Unrealized Gains	0	0
Gross Unrealized Losses	2,626	12,327
Fair Value	$ 78,734	$ 1,743,804

Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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