Condensed Consolidated Statements of Stockholders’ Equity - USD ($)		Common Stock [Member]	Treasury Stock [Member]	Unearned ESOP [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Earnings (Loss) [Member]	Total
Balance at Dec. 31, 2017		$ 35,000		$ (3,281,220)	$ 32,333,290	$ 32,787,406	$ 2,227,069	$ 64,101,545
Purchase of common stock			$ (2,999,995)					(2,999,995)
Net earnings						258,722		258,722
Other comprehensive earnings (loss), net of tax							(2,389,414)	(2,389,414)
Restricted stock unit expense					35,818			35,818
ESOP shares released				175,778	95,970			271,748
Balance at Sep. 30, 2018		35,000	(2,999,995)	(3,105,442)	32,465,078	33,046,128	(162,345)	59,278,424
Cumulative-effect adjustment from ASU 2016-01								1,400,000
Balance at Dec. 31, 2018		35,000	(2,999,995)	(3,046,855)	32,505,423	33,680,702	(1,580,976)	58,593,299
Purchase of common stock			(102,855)					(102,855)
Net earnings						716,923		716,923
Other comprehensive earnings (loss), net of tax							3,423,233	3,423,233
Restricted stock unit expense					78,226			78,226
ESOP shares released				175,296	57,839			233,135
Balance at Sep. 30, 2019		$ 35,000	$ (3,102,850)	$ (2,871,559)	$ 32,641,488	33,031,328	3,208,554	$ 62,941,961
Cumulative-effect adjustment from ASU 2016-01	[1]					$ (1,366,297)	$ 1,366,297

[1] See discussion of Accounting Standards Update 2016-01 adoption in Note 1 - Summary of Significant Accounting Policies