Investment Securities (Details 1) - USD ($)	Mar. 31, 2017	Dec. 31, 2016
Amortized Cost
Due in one year or less	$ 3,811,077	$ 3,343,347
Due in one year to five years	82,729,225	82,848,411
Due in five years to ten years	39,597,559	29,662,030
Due in ten years and over	3,553,977	5,088,827
Total	129,691,838	120,942,615
Estimated Fair Value
Due in one year or less	3,821,293	3,350,205
Due in one year to five years	82,978,074	82,682,901
Due in five years to ten years	39,147,035	29,169,228
Due in ten years and over	3,367,586	4,776,610
Total	$ 129,313,988	$ 119,978,944