Consolidated Statements of Changes in Stockholders' Equity - 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, 2016	3,438,190
Balance at Dec. 31, 2016	$ 34,382	$ 27,161,856	$ 25,700,007	$ (363,437)	$ (1,756,231)	$ 50,776,577
Net income			360,591			360,591
Unrealized gain on available-for-sale securities, net				89,171		$ 89,171
Stock option exercise (in shares)	5,732					5,732
Stock option exercise	$ 57	55,257				$ 55,314
Restricted stock awards (in shares)	74,750
Restricted stock awards	$ 748	(748)
Amortization of equity awards		47,577			55,859	103,436
Share repurchase (in shares)	(28,000)
Share repurchase	$ (280)	(414,120)				(414,400)
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			1,073,514			1,073,514
Unrealized gain on available-for-sale securities, net				(166,103)		$ (166,103)
Stock option exercise (in shares)	15,464					15,464
Stock option exercise	$ 155	149,073				$ 149,228
Restricted stock awards (in shares)	429
Restricted stock awards	$ 4	(4)
Amortization of equity awards		427,382			55,858	483,240
Share repurchase (in shares)	(125,500)
Share repurchase	$ (1,255)	(1,925,465)				(1,926,720)
Restricted stock forfeitures (in shares)	(6,500)
Restricted stock forfeitures	$ (65)	65
Tax rate effect reclassification (1)			(44,221)	44,221
Dividend paid - $1.25 per share			(4,161,114)			(4,161,114)
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