CONSOLIDATED BALANCE SHEETS (Parenthetical) (Unaudited) - USD ($)	Sep. 30, 2018	Dec. 31, 2017
Statement Of Financial Position [Abstract]
Loans receivable, allowance	$ 9,550,768	$ 9,139,488
Cash, FDIC insured amount	$ 250,000	$ 250,000
Preferred stock, par value
Preferred stock, shares authorized	10,000,000	10,000,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Common stock, par value
Common stock, shares authorized	50,000,000	50,000,000
Common stock, shares, issued	15,770,576	13,190,527
Common stock, shares, outstanding	15,770,576	13,190,527