Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($)	The 401(k) Plan [Member] Common Stock Outstanding [Member]	The 401(k) Plan [Member] Additional Paid-in Capital [Member]	The 401(k) Plan [Member] Treasury Stock [Member]	The 401(k) Plan [Member] Unallocated Common Stock Held by Benefit Plans [Member]	The 401(k) Plan [Member] AOCI Attributable to Parent [Member]	The 401(k) Plan [Member] Retained Earnings [Member]	The 401(k) Plan [Member]	The 2008 Stock Option Plan [Member] Common Stock Outstanding [Member]	The 2008 Stock Option Plan [Member] Additional Paid-in Capital [Member]	The 2008 Stock Option Plan [Member] Treasury Stock [Member]	The 2008 Stock Option Plan [Member] Unallocated Common Stock Held by Benefit Plans [Member]	The 2008 Stock Option Plan [Member] AOCI Attributable to Parent [Member]	The 2008 Stock Option Plan [Member] Retained Earnings [Member]	The 2008 Stock Option Plan [Member]	Common Stock Outstanding [Member]	Additional Paid-in Capital [Member]	Treasury Stock [Member]	Unallocated Common Stock Held by Benefit Plans [Member]	AOCI Attributable to Parent [Member]	Retained Earnings [Member]	Total
BALANCE (in shares) at Dec. 31, 2018															1,975,947
BALANCE at Dec. 31, 2018															$ 28,000	$ 14,683,000	$ (4,824,000)	$ (185,000)	$ (2,000)	$ 14,136,000	$ 23,836,000
Common stock allocated by ESOP																86,000		50,000			136,000
Treasury stock purchase (in shares)															(15,146)
Treasury stock purchase																	(186,000)				(186,000)
Reissuance of treasury stock (in shares)	2,467							23,500							9,721
Reissuance of treasury stock		$ 16,000	$ 15,000				$ 31,000		$ 52,000	$ 138,000				$ 190,000		(57,000)	57,000
Stock based compensation expense																130,000					130,000
Cash dividends declared																				(496,000)	(496,000)
Net Income																				1,880,000	1,880,000
Other comprehensive income (loss), net																			27,000		27,000
BALANCE (in shares) at Sep. 30, 2019															1,996,489
BALANCE at Sep. 30, 2019															$ 28,000	14,910,000	(4,800,000)	(135,000)	25,000	15,520,000	25,548,000
BALANCE (in shares) at Jun. 30, 2019															1,996,688
BALANCE at Jun. 30, 2019															$ 28,000	14,832,000	(4,793,000)	(151,000)	15,000	14,897,000	24,828,000
Common stock allocated by ESOP																30,000		16,000			46,000
Treasury stock purchase (in shares)															(985)
Treasury stock purchase																	(12,000)				(12,000)
Reissuance of treasury stock (in shares)	786
Reissuance of treasury stock		5,000	5,000				10,000
Stock based compensation expense																43,000					43,000
Cash dividends declared																				(179,000)	(179,000)
Net Income																				802,000	802,000
Other comprehensive income (loss), net																			10,000		10,000
BALANCE (in shares) at Sep. 30, 2019															1,996,489
BALANCE at Sep. 30, 2019															$ 28,000	14,910,000	(4,800,000)	(135,000)	25,000	15,520,000	$ 25,548,000
BALANCE (in shares) at Dec. 31, 2019															1,984,857						1,984,857
BALANCE at Dec. 31, 2019															$ 28,000	14,990,000	(4,950,000)	(118,000)	20,000	15,937,000	$ 25,907,000
Common stock allocated by ESOP																78,000		51,000			129,000
Treasury stock purchase (in shares)															(15,761)
Treasury stock purchase																	(181,000)				(181,000)
Reissuance of treasury stock (in shares)	6,287							12,500							9,421
Reissuance of treasury stock		31,000	38,000				69,000		26,000	76,000				102,000		(57,000)	57,000
Stock based compensation expense																130,000					130,000
Cash dividends declared																				(537,000)	(537,000)
Net Income																				2,171,000	2,171,000
Other comprehensive income (loss), net																			67,000		$ 67,000
BALANCE (in shares) at Sep. 30, 2020															1,997,304						1,997,304
BALANCE at Sep. 30, 2020															$ 28,000	15,198,000	(4,960,000)	(67,000)	87,000	17,571,000	$ 27,857,000
BALANCE (in shares) at Jun. 30, 2020															2,001,614
BALANCE at Jun. 30, 2020															$ 28,000	15,123,000	(4,903,000)	(84,000)	6,000	16,743,000	26,913,000
Common stock allocated by ESOP																23,000		17,000			40,000
Treasury stock purchase (in shares)															(6,231)
Treasury stock purchase																	(69,000)				(69,000)
Reissuance of treasury stock (in shares)	1,921
Reissuance of treasury stock		$ 9,000	$ 12,000				$ 21,000
Stock based compensation expense																43,000					43,000
Cash dividends declared																				(180,000)	(180,000)
Net Income																				1,008,000	1,008,000
Other comprehensive income (loss), net																			81,000		$ 81,000
BALANCE (in shares) at Sep. 30, 2020															1,997,304						1,997,304
BALANCE at Sep. 30, 2020															$ 28,000	$ 15,198,000	$ (4,960,000)	$ (67,000)	$ 87,000	$ 17,571,000	$ 27,857,000