Investment Securities - Schedule of Securities Held to Maturity (Details) - USD ($)	Jun. 30, 2017	Dec. 31, 2016
Amortized Cost	$ 50,220,759	$ 54,602,535
Unrealized Gains	924,177	637,615
Unrealized Losses	23,752	117,077
Estimated Fair Value	51,121,184	55,123,073
State And Municipal Securities (Member)
Amortized Cost	46,587,501	50,435,624
Unrealized Gains	808,000	508,109
Unrealized Losses	23,752	117,077
Estimated Fair Value	47,371,749	50,826,656
Residential Mortgage-Backed Securities [Member]
Amortized Cost	3,633,258	4,166,911
Unrealized Gains	116,177	129,506
Unrealized Losses	0	0
Estimated Fair Value	$ 3,749,435	$ 4,296,417