Note 7 - Deposits (Details) - Interest Expense on Deposits - USD ($)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Interest Expense on Deposits [Abstract]
NOW and Money Market accounts	$ 1,276,808	$ 1,242,158	$ 1,521,465
Savings accounts	49,467	49,071	53,647
Certificate accounts	1,102,928	1,050,081	1,295,864
Early withdrawal penalties	(5,332)	(12,220)	(11,378)
	$ 2,423,871	$ 2,329,090	$ 2,859,598