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, 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 (loss) on available-for-sale securities, net					(166,103)		(166,103)
Stock option exercise (in shares)		15,464
Stock option exercise		$ 155	149,073				149,228
Restricted stock awards (in shares)		429
Restricted stock awards		$ 4	(4)
Restricted stock forfeitures (in shares)		(6,500)
Restricted stock forfeitures		$ (65)	65
Amortization of equity awards			427,382			55,858	483,240
Tax rate effect reclassification (1)	[1]			(44,221)	44,221
Share repurchase (in shares)		(125,500)
Share repurchase		$ (1,255)	(1,925,465)				(1,926,720)
Dividends paid				(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
Net income				710,179			710,179
Unrealized gain (loss) on available-for-sale securities, net					703,403		$ 703,403
Stock option exercise (in shares)		7,300					8,460
Stock option exercise		$ 73	69,962				$ 70,035
Restricted stock awards (in shares)		4,000
Restricted stock awards		$ 40	(40)
Restricted stock forfeitures (in shares)		(1,800)
Restricted stock forfeitures		$ (18)	18
Amortization of equity awards			328,256			63,102	391,358
Share repurchase (in shares)		(175,447)
Share repurchase		$ (1,755)	(2,730,893)				(2,732,648)
Dividends paid				(481,822)			(481,822)
Balance (in shares) at Dec. 31, 2019		3,208,618
Balance at Dec. 31, 2019		$ 32,086	$ 23,168,176	$ 23,157,134	$ 307,255	$ (1,581,412)	$ 45,083,239

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