Note 12 - Subordinated Debentures (Trust Preferred Securities) (Details Textual) - USD ($)
 12 Months Ended
Nov. 17, 2014
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Interest Paid $ 1,069,695 $ 6,529,615 $ 6,536,994 $ 7,898,543