Income Taxes - Schedule of Effective Income Tax Rate Reconciliation (Details) - USD ($)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Income Tax Disclosure [Abstract]
Nonqualified retirement plan	$ 0	$ 0	$ 0
Intangible asset amortization	0	172,816	0
Deferred gain on covered transaction	5,004	9,352	498
Nonaccrual loan interest	8,369	(6,896)	32,157
Recognition of AMT tax credit carryforward	332,776	0	0
Foreclosed assets expenses	41,530	(42,075)	(3,413)
Bad debt expense in excess of tax	(80,902)	423,203	(31,405)
Realized impairment gain on equity securities	0	0	0
Accretion of discounted bonds	16,805	14,772	33,187
Gain on disposition of discounted bonds	(4,188)	(28,215)	(23,059)
Book and tax depreciation difference	357,266	(24,959)	(18,719)
Other timing differences	(37,023)	0	0
Total deferred taxes	$ 639,637	$ 517,998	$ (10,754)