CONDENSED CONSOLIDATED BALANCE SHEETS (Parentheticals) - USD ($)	Mar. 31, 2016	Dec. 31, 2015
Statement Of Financial Position [Abstract]
Allowance for loan losses of loans receivable (in dollars)	$ 2,934,691	$ 2,919,594
Valuation allowance on mortgage servicing rights (in dollars)	$ 44,028	$ 47,354
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
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 (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized	25,000,000	25,000,000
Common stock, shares issued	1,792,013	1,791,513