CONSOLIDATED STATEMENT OF SHAREHOLDERS' EQUITY - 9 months ended Sep. 30, 2015 - 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, 2014	$ 39,991,000	$ 4,139,000	$ 12,695,000	$ 27,951,000	$ (4,566,000)	$ (228,000)
Balance (in shares) at Dec. 31, 2014		4,139,000			(554,000)
Net income	3,143,000	$ 0	0	3,143,000	$ 0	0
Exercise of stock options	73,500	$ 23,500	50,000	0	$ 0	0
Exercise of stock options (in shares)		23,500			0
Restricted common stock compensation	30,500	$ 7,500	23,000	0	$ 0	0
Restricted common stock compensation (in shares)		7,500			0
Stock-based compensation	72,000	$ 0	72,000	0	$ 0	0
Foreign currency translation adjustment	(55,000)	0	0	0	0	(55,000)
Balance at Sep. 30, 2015	$ 43,255,000	$ 4,170,000	$ 12,840,000	$ 31,094,000	$ (4,566,000)	$ (283,000)
Balance (in shares) at Sep. 30, 2015		4,170,000			(554,000)