Note 22 - Supplemental Cash Flow Information - Supplemental Cash Flow Information (Details) - USD ($)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Real estate acquired in settlement of loans	$ 647,535	$ 991,517	$ 1,565,993
Cash paid for interest	2,869,422	3,041,544	2,748,812
Cash paid for income taxes	334,000	55,556	150,000
Transfer of premises to assets held for sale	$ 1,083,320