CONDENSED CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($)	Preferred Stock [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Treasury Stock, Common [Member]	Total
Balance at Dec. 31, 2020		$ 13,000	$ 41,330,000	$ (38,007,000)	$ (7,322,000)	$ (3,063,000)	$ (7,049,000)
Balance (in Shares) at Dec. 31, 2020		13,474,116
Net income				(4,968,000)			(4,968,000)
Other comprehensive (loss) gain, net of tax:
Unrealized foreign currency translation loss					18,000		18,000
Change in unrecognized pension costs					1,051,000		1,051,000
Balance at Dec. 31, 2021		$ 13,000	41,330,000	(42,975,000)	(6,253,000)	(3,063,000)	(10,948,000)
Balance (in Shares) at Dec. 31, 2021		13,474,116
Net income				323,000			323,000
Issuance of options			114,000				114,000
Other comprehensive (loss) gain, net of tax:
Unrealized foreign currency translation loss					(165,000)		(165,000)
Change in unrecognized pension costs					352,000		352,000
Balance at Dec. 31, 2022		$ 13,000	$ 41,444,000	$ (42,652,000)	$ (6,066,000)	$ (3,063,000)	$ (10,324,000)
Balance (in Shares) at Dec. 31, 2022		13,474,116