Consolidated Statements of Changes in Stockholders' Equity (Unaudited) - USD ($)		Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Unearned ESOP Shares [Member]	Total
Balance (in shares) at Dec. 31, 2017		3,490,672
Balance at Dec. 31, 2017		$ 34,907	$ 26,849,822	$ 26,060,598	$ (274,266)	$ (1,700,372)	$ 50,970,689
Net income				370,627			370,627
Unrealized gain on available-for-sale securities, net					(258,588)		(258,588)
Restricted stock awards (in shares)		429
Restricted stock awards		$ 4	(4)
Amortization of equity awards			93,672			13,964	107,636
Share repurchase (in shares)		(102,500)
Share repurchase		$ (1,025)	(1,571,025)				(1,572,050)
Balance (in shares) at Mar. 31, 2018		3,388,601
Balance at Mar. 31, 2018	[1]	$ 33,886	25,372,465	26,431,225	(532,854)	(1,686,408)	49,618,314
Balance (in shares) at Dec. 31, 2018		3,374,565
Balance at Dec. 31, 2018		$ 33,746	25,500,873	22,928,777	(396,148)	(1,644,514)	46,422,734
Net income				41,208			41,208
Unrealized gain on available-for-sale securities, net					263,847		263,847
Amortization of equity awards			85,680			18,059	103,739
Share repurchase (in shares)		(18,410)
Share repurchase		$ (185)	(277,486)				(277,671)
Balance (in shares) at Mar. 31, 2019		3,356,155
Balance at Mar. 31, 2019		$ 33,561	$ 25,309,067	$ 22,969,985	$ (132,301)	$ (1,626,455)	$ 46,553,857

[1] The stranded tax element of accumulated other comprehensive income (loss) created by the 2017 Tax Cuts and Jobs Act was reclassified to retained earnings.