Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - USD ($)	Jun. 30, 2016	Dec. 31, 2015
Loans receivable, allowance for loan losses	$ 6,181,151	$ 5,811,940
Common stock, par value (in dollars per share)	$ 0.10	$ 0.10
Common stock, authorized (in shares)	10,000,000	10,000,000
Common stock, issued (in shares)	6,875,503	6,859,003
Treasury stock, shares (in shares)	2,441,783	2,466,462