Consolidated Financial Statements (Parenthetical) - USD ($)	Jun. 30, 2018	Dec. 31, 2017
Statement of Financial Position [Abstract]
Loans, allowance for loan losses	$ 3,027,950	$ 3,019,228
Common stock, par value	$ 0.20	$ 0.20
Common stock, shares authorized	22,500,000	22,500,000
Common stock, shares issued	4,904,530	4,894,705
Common stock, shares outstanding	4,904,530	4,894,705
Accumulated other comprehensive loss, tax benefits	$ 5,391,738	$ 2,734,500