CONSOLIDATED STATEMENT OF SHAREHOLDERS' EQUITY - 6 months ended Jun. 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	2,093,000	$ 0	0	2,093,000	$ 0	0
Exercise of stock options	65,500	$ 21,500	44,000	0	$ 0	0
Exercise of stock options (in shares)		21,500			0
Restricted common stock compensation	16,500	$ 7,500	9,000	0	$ 0	0
Stock-based compensation	59,000	0	59,000	0	0	0
Foreign currency translation adjustment	44,000	0	0	0	0	44,000
Balance at Jun. 30, 2015	$ 42,269,000	$ 4,168,000	$ 12,807,000	$ 30,044,000	$ (4,566,000)	$ (184,000)
Balance (in shares) at Jun. 30, 2015		4,168,000			(554,000)