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, 2013	$ 38,730,000	$ 4,038,000	$ 11,798,000	$ 25,871,000	$ (2,977,000)	$ 0
Balance (in shares) at Dec. 31, 2013		4,038,000			(344,000)
Net income	1,850,000	0	0	1,850,000	0	0
Foreign currency translation adjustment	(63,000)	0	0	0	0	(63,000)
Exercise of stock options	741,000	97,000	650,000	0	(6,000)	0
Exercise of stock options (in shares)		97,000			(1,000)
Restricted stock issuance	21,000	3,000	18,000	0	0	0
Restricted stock issuance (in shares)		3,000			0
Stock-based compensation	182,000	0	182,000	0	0	0
Balance at Sep. 30, 2014	$ 41,461,000	$ 4,138,000	$ 12,648,000	$ 27,721,000	$ (2,983,000)	$ (63,000)
Balance (in shares) at Sep. 30, 2014		4,138,000			(345,000)