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Investment Securities - Schedule of Information Pertaining to Securities Gross Unrealized Losses by Investments (Details) - USD ($)
Mar. 31, 2019
Dec. 31, 2018
Less Than Twelve Months, Gross Unrealized Losses $ 0 $ 50,485
Less Than Twelve Months, Fair Value 0 9,412,366
Twelve Months or More, Gross Unrealized Losses 492,820 922,248
Twelve Months or More, Fair Value 25,276,461 22,912,205
Less Than Twelve Months, Gross Unrealized Losses 0 25,880
Less Than Twelve Months, Fair Value 0 8,239,023
Twelve Months or More, Gross Unrealized Losses 27,155 48,836
Twelve Months or More, Fair Value 2,819,582 2,872,091
U.S. Government Treasury Securities [Member]    
Less Than Twelve Months, Gross Unrealized Losses 0 0
Less Than Twelve Months, Fair Value 0 0
Twelve Months or More, Gross Unrealized Losses 6,904 27,474
Twelve Months or More, Fair Value 975,660 954,570
U.S. Government Agency Securities [Member]    
Less Than Twelve Months, Gross Unrealized Losses 0 33,077
Less Than Twelve Months, Fair Value 0 6,073,337
Twelve Months or More, Gross Unrealized Losses 466,017 848,080
Twelve Months or More, Fair Value 22,346,327 20,015,052
State and Municipal Securities [Member]    
Less Than Twelve Months, Gross Unrealized Losses 0 3,209
Less Than Twelve Months, Fair Value 0 306,792
Twelve Months or More, Gross Unrealized Losses 16,313 43,713
Twelve Months or More, Fair Value 1,831,683 1,813,173
Less Than Twelve Months, Gross Unrealized Losses 0 20,209
Less Than Twelve Months, Fair Value 0 7,359,536
Twelve Months or More, Gross Unrealized Losses 26,272 47,225
Twelve Months or More, Fair Value 2,515,563 2,782,627
Residential Mortgage-Backed Securities [Member]    
Less Than Twelve Months, Gross Unrealized Losses 0 14,199
Less Than Twelve Months, Fair Value 0 3,032,237
Twelve Months or More, Gross Unrealized Losses 3,586 2,981
Twelve Months or More, Fair Value 122,791 129,410
Less Than Twelve Months, Gross Unrealized Losses 0 5,671
Less Than Twelve Months, Fair Value 0 879,487
Twelve Months or More, Gross Unrealized Losses 883 1,611
Twelve Months or More, Fair Value $ 304,019 $ 89,464