CONSOLIDATED STATEMENT OF SHAREHOLDERS’ EQUITY - 6 months ended Jun. 30, 2017 - USD ($)	Total	Common Class A [Member]	Additional paid-in capital [Member]	Retained earnings [Member]	Treasury stock [Member]	Accumulated other comprehensive loss [Member]
Balance at Dec. 31, 2016	$ 47,590,000	$ 4,181,000	$ 12,906,000	$ 36,061,000	$ (4,821,000)	$ (737,000)
Balance (in shares) at Dec. 31, 2016		4,181,000			(584,000)
Net loss	(44,000)	$ 0	0	(44,000)	$ 0	0
Restricted common stock compensation	22,000	$ 5,000	17,000	0	$ 0	0
Restricted common stock compensation (in shares)		5,000			0
Exercise of stock options	62,000	$ 17,000	45,000
Exercise of stock options (in shares)		17,000
Dividends	(360,000)	$ 0	0	(360,000)	$ 0	0
Foreign currency translation adjustment	117,000	0	0	0	0	117,000
Balance at Jun. 30, 2017	$ 47,387,000	$ 4,203,000	$ 12,968,000	$ 35,657,000	$ (4,821,000)	$ (620,000)
Balance (in shares) at Jun. 30, 2017		4,203,000			(584,000)