Condensed Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($)		Cumulative Effect, Period of Adoption, Adjustment [Member] Common Stock [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member] Treasury Stock [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member] Unearned ESOP [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member] Additional Paid-in Capital [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member] Retained Earnings [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member] AOCI Attributable to Parent [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member]	Common Stock [Member]	Treasury Stock [Member]		Unearned ESOP [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Total
Balance (Accounting Standards Update 2016-01 [Member]) at Dec. 31, 2018	[1]					$ (1,366,297)	$ 1,366,297
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 (loss)														716,923		716,923
Other comprehensive earnings, net of tax															3,423,233	3,423,233
Restricted stock unit expense													78,226			78,226
ESOP compensation expense												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
Balance (Accounting Standards Update 2016-01 [Member]) at Dec. 31, 2019
Balance at Dec. 31, 2019									35,000	(3,146,576)		(2,812,485)	32,703,209	36,608,750	2,953,936	66,341,834
Purchase of common stock										(109,460)						(109,460)
Net (loss)														(787,342)		(787,342)
Other comprehensive earnings, net of tax															2,254,721	2,254,721
Restricted stock unit expense										143,380	[2]		(16,792)			126,588
ESOP compensation expense												175,457	31,078			206,535
Balance at Sep. 30, 2020									$ 35,000	$ (3,112,656)		$ (2,637,028)	$ 32,717,495	$ 35,821,408	$ 5,208,657	$ 68,032,876

[1] See discussion of Accounting Standards Update 2016-01 adoption in 2019 10-K, Note 1 - Summary of Significant Accounting Policies

[2] Amount represents restricted stock units that have fully vested in the period