Investment Securities - Schedule of Information Pertaining to Securities Gross Unrealized Losses by Investments (Details) - USD ($)	Mar. 31, 2018	Dec. 31, 2017
Less Than Twelve Months, Gross Unrealized Losses	$ 225,530	$ 63,132
Less Than Twelve Months, Fair Value	18,488,199	6,932,300
Twelve Months or More, Gross Unrealized Losses	1,020,031	688,678
Twelve Months or More, Fair Value	19,025,589	19,413,318
Less Than Twelve Months, Gross Unrealized Losses	72,886	16,086
Less Than Twelve Months, Fair Value	14,684,999	5,667,646
Twelve Months or More, Gross Unrealized Losses	50,202	32,129
Twelve Months or More, Fair Value	1,260,885	1,281,797
U.S. Government Treasury Securities [Member]
Less Than Twelve Months, Gross Unrealized Losses	37,361	12,213
Less Than Twelve Months, Fair Value	943,130	967,770
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	135,001	34,083
Less Than Twelve Months, Fair Value	10,991,369	4,988,630
Twelve Months or More, Gross Unrealized Losses	982,815	664,216
Twelve Months or More, Fair Value	17,997,819	18,347,439
State and Municipal Securities [Member]
Less Than Twelve Months, Gross Unrealized Losses	49,156	16,836
Less Than Twelve Months, Fair Value	3,638,710	975,900
Twelve Months or More, Gross Unrealized Losses	33,185	21,618
Twelve Months or More, Fair Value	861,784	877,798
Less Than Twelve Months, Gross Unrealized Losses	64,880	15,954
Less Than Twelve Months, Fair Value	13,517,554	5,521,443
Twelve Months or More, Gross Unrealized Losses	50,202	32,129
Twelve Months or More, Fair Value	1,260,885	1,281,797
Residential Mortgage-Backed Securities [Member]
Less Than Twelve Months, Gross Unrealized Losses	4,012	0
Less Than Twelve Months, Fair Value	2,914,990	0
Twelve Months or More, Gross Unrealized Losses	4,031	2,844
Twelve Months or More, Fair Value	165,986	188,081
Less Than Twelve Months, Gross Unrealized Losses	8,006	132
Less Than Twelve Months, Fair Value	1,167,445	146,203
Twelve Months or More, Gross Unrealized Losses	0	0
Twelve Months or More, Fair Value	$ 0	$ 0