Investment Securities (Details 1) - USD ($)	Mar. 31, 2016	Dec. 31, 2015
Amortized Cost
Due in one year or less	$ 1,857,755	$ 3,311,346
Due in one year to five years	65,340,811	69,870,930
Due in five years to ten years	34,889,466	41,930,801
Due in ten years and over	2,751,743	3,309,039
Total	104,839,775	118,422,116
Estimated Fair Value
Due in one year or less	1,870,311	3,326,249
Due in one year to five years	66,667,079	70,584,179
Due in five years to ten years	36,018,411	42,670,986
Due in ten years and over	2,798,003	3,416,171
Total	$ 107,353,804	$ 119,997,585