Income Taxes - Components of deferred tax assets and liabilities (Details) - USD ($)	Dec. 31, 2021	Dec. 31, 2020
Components of deferred tax assets and liabilities
Deferred Loan Fees (Costs)	$ (288,000)	$ (239,000)
Allowance for Loan Losses	134,000	134,000
Federal Home Loan Bank Stock	(84,000)	(83,000)
Deferred Retirement Agreements	68,000	66,000
Tax Carryforwards of Net Operating Losses	246,000	217,000
All Other Temporary Differences	170,000	122,000
Deferred Tax Assets	246,000	217,000
Valuation Allowance for Deferred Tax Asset (Net Operating Losses)	(246,000)	(217,000)
Deferred Tax Asset Net of Valuation Allowance
Unrealized (Gains) Losses on Securities Available-for-Sale	(7,000)	(12,000)
Net Deferred Tax (Liability)	(7,000)	(12,000)
Amount of bad debts deductions for which no deferred tax liability recognized	3,986,000	3,986,000
Deferred income tax liability	0	0
Unrecorded deferred income tax liability on bad debts reserve	$ 837,000	$ 837,000