Investment Securities - Schedule of Information Pertaining to Securities Gross Unrealized Losses by Investments (Details) - USD ($)	Jun. 30, 2018	Dec. 31, 2017
Less Than Twelve Months, Gross Unrealized Losses	$ 327,862	$ 63,132
Less Than Twelve Months, Fair Value	23,152,789	6,932,300
Twelve Months or More, Gross Unrealized Losses	1,099,956	688,678
Twelve Months or More, Fair Value	18,896,479	19,413,318
Less Than Twelve Months, Gross Unrealized Losses	76,860	16,086
Less Than Twelve Months, Fair Value	15,742,355	5,667,646
Twelve Months or More, Gross Unrealized Losses	50,446	32,129
Twelve Months or More, Fair Value	1,257,836	1,281,797
U.S. Government Treasury Securities [Member]
Less Than Twelve Months, Gross Unrealized Losses	43,853	12,213
Less Than Twelve Months, Fair Value	937,150	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	200,948	34,083
Less Than Twelve Months, Fair Value	14,494,684	4,988,630
Twelve Months or More, Gross Unrealized Losses	1,065,316	664,216
Twelve Months or More, Fair Value	17,884,362	18,347,439
State and Municipal Securities [Member]
Less Than Twelve Months, Gross Unrealized Losses	51,139	16,836
Less Than Twelve Months, Fair Value	3,263,884	975,900
Twelve Months or More, Gross Unrealized Losses	29,752	21,618
Twelve Months or More, Fair Value	860,805	877,798
Less Than Twelve Months, Gross Unrealized Losses	63,317	15,954
Less Than Twelve Months, Fair Value	14,656,107	5,521,443
Twelve Months or More, Gross Unrealized Losses	50,446	32,129
Twelve Months or More, Fair Value	1,257,836	1,281,797
Residential Mortgage-Backed Securities [Member]
Less Than Twelve Months, Gross Unrealized Losses	31,922	0
Less Than Twelve Months, Fair Value	4,457,071	0
Twelve Months or More, Gross Unrealized Losses	4,888	2,844
Twelve Months or More, Fair Value	151,312	188,081
Less Than Twelve Months, Gross Unrealized Losses	13,543	132
Less Than Twelve Months, Fair Value	1,086,248	146,203
Twelve Months or More, Gross Unrealized Losses	0	0
Twelve Months or More, Fair Value	$ 0	$ 0