Investment Securities - Schedule of Information Pertaining to Securities Gross Unrealized Losses by Investments (Details) - USD ($)	Dec. 31, 2017	Dec. 31, 2016
Less Than Twelve Months, Gross Unrealized Losses	$ 63,132	$ 957,051
Less Than Twelve Months, Fair Value	6,932,300	25,281,261
Twelve Months or More, Gross Unrealized Losses	688,678	795
Twelve Months or More, Fair Value	19,413,318	499,205
Less Than Twelve Months, Gross Unrealized Losses	16,086	117,077
Less Than Twelve Months, Fair Value	5,667,646	16,162,203
Twelve Months or More, Gross Unrealized Losses	32,129	0
Twelve Months or More, Fair Value	1,281,797	0
U.S. Government Treasury Securities [Member]
Less Than Twelve Months, Gross Unrealized Losses	12,213	15,817
Less Than Twelve Months, Fair Value	967,770	962,150
Twelve Months or More, Gross Unrealized Losses	0	0
Twelve Months or More, Fair Value	0	0
U.S. Government Agency Securities [Member]
Less Than Twelve Months, Gross Unrealized Losses	34,083	830,316
Less Than Twelve Months, Fair Value	4,988,630	19,330,575
Twelve Months or More, Gross Unrealized Losses	664,216	0
Twelve Months or More, Fair Value	18,347,439	0
State and Municipal Securities [Member]
Less Than Twelve Months, Gross Unrealized Losses	16,836	109,666
Less Than Twelve Months, Fair Value	975,900	4,676,685
Twelve Months or More, Gross Unrealized Losses	21,618	0
Twelve Months or More, Fair Value	877,798	0
Less Than Twelve Months, Gross Unrealized Losses	15,954	117,077
Less Than Twelve Months, Fair Value	5,521,443	16,162,203
Twelve Months or More, Gross Unrealized Losses	32,129	0
Twelve Months or More, Fair Value	1,281,797	0
Residential Mortgage-Backed Securities [Member]
Less Than Twelve Months, Gross Unrealized Losses	0	1,252
Less Than Twelve Months, Fair Value	0	311,851
Twelve Months or More, Gross Unrealized Losses	2,844	0
Twelve Months or More, Fair Value	188,081	0
Less Than Twelve Months, Gross Unrealized Losses	132	0
Less Than Twelve Months, Fair Value	146,203	0
Twelve Months or More, Gross Unrealized Losses	0	0
Twelve Months or More, Fair Value	$ 0	0
Corporate Notes [Member]
Less Than Twelve Months, Gross Unrealized Losses		0
Less Than Twelve Months, Fair Value		0
Twelve Months or More, Gross Unrealized Losses		795
Twelve Months or More, Fair Value		$ 499,205