Fair Value Measurements - FV of Assets and Liabilities Measured on Recurring Basis (Details) - USD ($)	Mar. 31, 2026	Dec. 31, 2025
Financial assets:
Securities available for sale	$ 21,982,711	$ 22,289,409
Mortgage-backed securities
Financial assets:
Securities available for sale	6,942,905	7,187,725
State and political subdivisions
Financial assets:
Securities available for sale	12,008,476	12,054,019
Corporate securities
Financial assets:
Securities available for sale	3,031,330	3,047,665
Recurring basis
Financial assets:
Securities available for sale	21,982,711	22,289,409
Financial liabilities:
Fair value hedge on fixed rate loans	23,547	142,064
Recurring basis \| Level 1
Financial assets:
Securities available for sale	0	0
Financial liabilities:
Fair value hedge on fixed rate loans	0	0
Recurring basis \| Level 2
Financial assets:
Securities available for sale	21,982,711	22,289,409
Financial liabilities:
Fair value hedge on fixed rate loans	23,547	142,064
Recurring basis \| Level 3
Financial assets:
Securities available for sale	0	0
Financial liabilities:
Fair value hedge on fixed rate loans	0	0
Recurring basis \| Mortgage-backed securities
Financial assets:
Securities available for sale	6,942,905	7,187,725
Recurring basis \| Mortgage-backed securities \| Level 1
Financial assets:
Securities available for sale	0	0
Recurring basis \| Mortgage-backed securities \| Level 2
Financial assets:
Securities available for sale	6,942,905	7,187,725
Recurring basis \| Mortgage-backed securities \| Level 3
Financial assets:
Securities available for sale	0	0
Recurring basis \| State and political subdivisions
Financial assets:
Securities available for sale	12,008,476	12,054,019
Recurring basis \| State and political subdivisions \| Level 1
Financial assets:
Securities available for sale	0	0
Recurring basis \| State and political subdivisions \| Level 2
Financial assets:
Securities available for sale	12,008,476	12,054,019
Recurring basis \| State and political subdivisions \| Level 3
Financial assets:
Securities available for sale	0	0
Recurring basis \| Corporate securities
Financial assets:
Securities available for sale	3,031,330	3,047,665
Recurring basis \| Corporate securities \| Level 1
Financial assets:
Securities available for sale	0	0
Recurring basis \| Corporate securities \| Level 2
Financial assets:
Securities available for sale	3,031,330	3,047,665
Recurring basis \| Corporate securities \| Level 3
Financial assets:
Securities available for sale	$ 0	$ 0