Note 4 - Loans Leases Receivable - Related Party Loans (Details) - USD ($)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Balance, beginning	$ 42,012,313	$ 42,469,111	$ 39,192,966
Net increase (decrease) due to change in related parties	19,945,960	(3,606,418)	1,040,278
Advances	4,806,616	19,040,675	13,284,475
Repayments	(5,155,913)	(15,891,055)	(11,048,608)
Balance, ending	$ 61,608,976	$ 42,012,313	$ 42,469,111