Note 10 - Income Taxes (Details) - Deferred Taxes - USD ($)	Dec. 31, 2015	Dec. 31, 2014
Deferred tax assets:
Allowances for loan losses	$ 1,976,060	$ 2,240,123
Writedowns on foreclosed assets held for sale	773,652	781,870
Deferred loan fees/costs	123,390	96,877
Unrealized depreciation on available-for-sale securities	401,688	263,358
Other	446,122	421,873
	3,720,912	3,804,101
Deferred tax liabilities:
FHLB stock dividends	(51,713)	(52,455)
Accumulated depreciation	(368,245)	(268,503)
Other	(70,849)	(70,630)
	(490,807)	(391,588)
Net deferred tax asset	$ 3,230,105	$ 3,412,513