Income Taxes - Schedule of Effective Income Tax Rate Reconciliation (Details) - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Income Tax Disclosure [Abstract]
Intangible asset amortization	$ 0	$ 0	$ 172,816
Deferred gain on covered transaction	(1,115)	5,004	9,352
Nonaccrual loan interest	155	8,369	(6,896)
Recognition of AMT tax credit carryforward	0	332,776	0
Foreclosed assets expenses	4,760	41,530	(42,075)
Bad debt expense in excess of tax	(36,850)	(80,902)	423,203
Accretion of discounted bonds	10,546	16,805	14,772
Gain on disposition of discounted bonds	0	(4,188)	(28,215)
Book and tax depreciation difference	(43,664)	357,266	(24,959)
Other timing differences	10,821	(37,023)	0
Total deferred taxes	$ (55,347)	$ 639,637	$ 517,998