CONSOLIDATED STATEMENT OF SHAREHOLDERS' EQUITY (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	781,000	0	0	781,000	0	0
Exercise of stock options	20,000	7,000	13,000	0	0	0
Exercise of stock options (in shares)		7,000			0
Restricted common stock compensation	6,000	0	6,000	0	0	0
Stock-based compensation	38,000	0	38,000	0	0	0
Foreign currency translation adjustment	(108,000)	0	0	0	0	(108,000)
Balance at Mar. 31, 2015	$ 40,728,000	$ 4,146,000	$ 12,752,000	$ 28,732,000	$ (4,566,000)	$ (336,000)
Balance (in shares) at Mar. 31, 2015		4,146,000			(554,000)