Consolidated Balance Sheets (Parenthetical) - USD ($)	Dec. 31, 2018	Dec. 31, 2017
Statement of Financial Position [Abstract]
Investment securities held to maturity	$ 37,010,327	$ 45,147,800
Allowance for loan losses	3,428,869	3,043,632
Certificates of deposit	$ 250,000	$ 250,000
Common stock, par value	$ 1	$ 1
Common stock, shares authorized	5,000,000	5,000,000
Common stock, shares issued	2,545,776	4,293,835
Treasury stock, at cost	$ 0	$ 1,752,330