Investment Securities (Details) - USD ($)	Jun. 30, 2016	Dec. 31, 2015
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	$ 102,451,871	$ 118,422,116
Gross Unrealized Gains	2,919,523	1,783,297
Gross Unrealized Losses	12,452	207,828
Estimated Fair Value	105,358,942	119,997,585
U.S. Treasury Notes [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	23,993,169	34,517,996
Gross Unrealized Gains	381,362	161,037
Gross Unrealized Losses		45,360
Estimated Fair Value	24,374,531	34,633,673
Government-Sponsored Enterprises [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	40,866,456	51,136,426
Gross Unrealized Gains	1,050,975	281,650
Gross Unrealized Losses		133,744
Estimated Fair Value	41,917,431	51,284,332
Municipal Securties [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	37,592,246	32,767,694
Gross Unrealized Gains	1,487,186	1,340,610
Gross Unrealized Losses	12,452	28,724
Estimated Fair Value	$ 39,066,980	$ 34,079,580