Investment Securities - Schedule of Information Pertaining to Securities Gross Unrealized Losses by Investments (Details) - USD ($)	Sep. 30, 2018	Dec. 31, 2017
Less Than Twelve Months, Gross Unrealized Losses	$ 373,241	$ 63,132
Less Than Twelve Months, Fair Value	25,243,708	6,932,300
Twelve Months or More, Gross Unrealized Losses	1,377,136	688,678
Twelve Months or More, Fair Value	21,552,110	19,413,318
Less Than Twelve Months, Gross Unrealized Losses	176,766	16,086
Less Than Twelve Months, Fair Value	18,710,703	5,667,646
Twelve Months or More, Gross Unrealized Losses	50,209	32,129
Twelve Months or More, Fair Value	1,456,042	1,281,797
U.S. Government Treasury Securities [Member]
Less Than Twelve Months, Gross Unrealized Losses	0	12,213
Less Than Twelve Months, Fair Value	0	967,770
Twelve Months or More, Gross Unrealized Losses	56,360	0
Twelve Months or More, Fair Value	925,160	0
U.S. Government Agency Securities [Member]
Less Than Twelve Months, Gross Unrealized Losses	261,504	34,083
Less Than Twelve Months, Fair Value	16,365,195	4,988,630
Twelve Months or More, Gross Unrealized Losses	1,250,419	664,216
Twelve Months or More, Fair Value	18,688,666	18,347,439
State and Municipal Securities [Member]
Less Than Twelve Months, Gross Unrealized Losses	46,087	16,836
Less Than Twelve Months, Fair Value	4,649,043	975,900
Twelve Months or More, Gross Unrealized Losses	64,913	21,618
Twelve Months or More, Fair Value	1,800,941	877,798
Less Than Twelve Months, Gross Unrealized Losses	157,970	15,954
Less Than Twelve Months, Fair Value	17,691,528	5,521,443
Twelve Months or More, Gross Unrealized Losses	50,209	32,129
Twelve Months or More, Fair Value	1,456,042	1,281,797
Residential Mortgage-Backed Securities [Member]
Less Than Twelve Months, Gross Unrealized Losses	65,650	0
Less Than Twelve Months, Fair Value	4,229,470	0
Twelve Months or More, Gross Unrealized Losses	5,444	2,844
Twelve Months or More, Fair Value	137,343	188,081
Less Than Twelve Months, Gross Unrealized Losses	18,796	132
Less Than Twelve Months, Fair Value	1,019,175	146,203
Twelve Months or More, Gross Unrealized Losses	0	0
Twelve Months or More, Fair Value	$ 0	$ 0