Income Taxes - Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($)	Dec. 31, 2017	Dec. 31, 2016
Income Tax Disclosure [Abstract]
Nonaccrual loan interest	$ 8,843	$ 1,947
Deferred gain on covered transaction	14,304	23,657
Alternative minimum tax	332,776	434,920
Foreclosed assets expenses	51,693	9,618
Intangible asset amortization	125,883	298,699
Bad debt expense in excess of tax	639,161	1,062,364
Realized loss on other-than-temporarily impaired equity securities	214,353	214,353
Deferred directors compensation	104,561	0
Capital loss carryforward	32,878	0
Pension plan	435,172	875,641
Total deferred tax assets	1,959,624	2,921,199
Accretion on bonds and gain on discounted bonds	55,690	69,133
Book and tax depreciation difference	218,634	243,593
Unrealized gain (loss) on securities available for sale	1,982	(44,416)
Total deferred tax liabilities	276,306	268,310
Net deferred tax assets	$ 1,683,318	$ 2,652,889