Securities - Schedule of Securities With Unrealized Losses (Details) - USD ($)	Jun. 30, 2018	Dec. 31, 2017
Schedule Of Available For Sale Securities [Line Items]
Fair Value, Less Than 12 Months	$ 20,956,351	$ 24,039,476
Unrealized Losses, Less Than 12 Months	(539,228)	(275,646)
Fair Value, 12 Months or Longer	17,593,891	16,431,705
Unrealized Losses, 12 Months or Longer	(673,701)	(330,070)
Total Fair Value	38,550,242	40,471,181
Total Unrealized Losses	(1,212,929)	(605,716)
U.S. Government Sponsored Agency Securities
Schedule Of Available For Sale Securities [Line Items]
Fair Value, Less Than 12 Months	4,913,028	3,957,340
Unrealized Losses, Less Than 12 Months	(78,960)	(33,620)
Fair Value, 12 Months or Longer	1,961,739	1,974,139
Unrealized Losses, 12 Months or Longer	(37,629)	(25,054)
Total Fair Value	6,874,767	5,931,479
Total Unrealized Losses	(116,589)	(58,674)
Mortgage-backed Securities, Residential
Schedule Of Available For Sale Securities [Line Items]
Fair Value, Less Than 12 Months	6,057,184	7,954,428
Unrealized Losses, Less Than 12 Months	(166,745)	(70,965)
Fair Value, 12 Months or Longer	6,121,535	5,986,097
Unrealized Losses, 12 Months or Longer	(235,096)	(97,943)
Total Fair Value	12,178,719	13,940,525
Total Unrealized Losses	(401,841)	(168,908)
Collateralized Mortgage Obligations
Schedule Of Available For Sale Securities [Line Items]
Fair Value, Less Than 12 Months	9,986,139	9,642,028
Unrealized Losses, Less Than 12 Months	(293,523)	(138,243)
Fair Value, 12 Months or Longer	9,510,617	8,471,469
Unrealized Losses, 12 Months or Longer	(400,976)	(207,073)
Total Fair Value	19,496,756	18,113,497
Total Unrealized Losses	$ (694,499)	(345,316)
Other Securities
Schedule Of Available For Sale Securities [Line Items]
Fair Value, Less Than 12 Months		2,485,680
Unrealized Losses, Less Than 12 Months		(32,818)
Total Fair Value		2,485,680
Total Unrealized Losses		$ (32,818)