Consolidated Statements of Stockholders' Equity - USD ($)	RRP Stock Options [Member] Common Stock [Member]	RRP Stock Options [Member] Additional Paid-in Capital [Member]	RRP Stock Options [Member] Retained Earnings [Member]	RRP Stock Options [Member] Unallocated ESOP Shares [Member]	RRP Stock Options [Member] Unallocated MRP Shares [Member]	RRP Stock Options [Member] AOCI Attributable to Parent [Member]	RRP Stock Options [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Unallocated ESOP Shares [Member]	Unallocated MRP Shares [Member]	AOCI Attributable to Parent [Member]	Total
Balance at Dec. 31, 2017								$ 34,518	$ 36,949,508	$ 17,720,962	$ (1,754,632)		$ 152,579	$ 53,102,935
Net income										1,994,306				1,994,306
Other comprehensive income (loss)													(183,663)	(183,663)
Allocation of ESOP									80,341		178,016			258,357
Compensation expense on MRP awards granted												28,888		28,888
Grant of MRP shares								53	69,196			(69,249)
RRP options exercised	$ 204	$ 118,862					$ 119,066
Cash dividends paid										(856,036)				(856,036)
Repurchase shares								(1,186)	(1,638,301)					(1,639,487)
Balance at Dec. 31, 2018								33,589	35,579,606	18,859,232	(1,576,616)	(40,361)	(31,084)	52,824,366
Net income										1,937,347				1,937,347
Other comprehensive income (loss)													355,637	355,637
Allocation of ESOP									73,345		178,016			251,361
Compensation expense on MRP awards granted												9,417		9,417
Grant of MRP shares								25	34,625					34,650
RRP options exercised	$ 25	$ 8,900					$ 8,925
Cash dividends paid										(1,857,946)				(1,857,946)
Repurchase shares								(2,045)	(2,850,837)					(2,852,882)
Balance at Dec. 31, 2019								$ 31,594	$ 32,845,639	$ 18,938,633	$ (1,398,600)	$ (30,944)	$ 324,553	$ 50,710,875