CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($)	Common Class A Common Stock	Additional paid-in capital	Retained earnings	Treasury stock	Accumulated other comprehensive loss	Total
Balance at Dec. 31, 2020	$ 4,428,000	$ 14,144,000	$ 33,756,000	$ (10,213,000)	$ (577,000)	$ 41,538,000
Balance (in shares) at Dec. 31, 2020	4,428,000			(1,273,000)
Net Income	$ 0	0	(307,000)	$ 0	0	(307,000)
Restricted common stock compensation	$ 25,000	(12,000)	0	0	0	13,000
Restricted common stock compensation (in shares)	25,000
Stock-based compensation	$ 0	2,000	0	0	0	2,000
Foreign currency translation adjustment	0	0	0	0	15,000	15,000
Balance at Mar. 31, 2021	$ 4,453,000	14,134,000	33,449,000	$ (10,213,000)	(562,000)	41,261,000
Balance (in shares) at Mar. 31, 2021	4,453,000			(1,273,000)
Balance at Dec. 31, 2021	$ 4,453,000	14,167,000	36,046,000	$ (10,213,000)	(613,000)	43,840,000
Balance (in shares) at Dec. 31, 2021	4,453,000			(1,273,000)
Net Income	$ 0	0	(618,000)	$ 0	0	(618,000)
Restricted common stock compensation	$ 0	8,000	0	0	0	8,000
Restricted common stock compensation (in shares)	0
Stock-based compensation	$ 0	1,000	0	0	0	1,000
Foreign currency translation adjustment	0	0	0	0	(50,000)	(50,000)
Balance at Mar. 31, 2022	$ 4,453,000	$ 14,176,000	$ 35,428,000	$ (10,213,000)	$ (663,000)	$ 43,181,000
Balance (in shares) at Mar. 31, 2022	4,453,000			(1,273,000)