Income Taxes - Reconciliation of actual income tax expense (Details) - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Income Taxes
Computed at the statutory rate	$ 186,095	$ 523,447
Increase (decrease) resulting from:
Effect of gain on merger with Kentucky Federal	0	(460,391)
Bank-owned life insurance	(55,103)	(15,598)
Merger expenses	0	59,681
Other	(43,298)	84,139
Actual tax expense	$ 87,694	$ 191,278