Condensed Consolidated Statement of Stockholders' Equity (Unaudited) (USD $) In Thousands	Common Class A [Member]	Common Class B [Member]	Additional Paid-in Capital [Member]	Treasury Stock [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Retained Earnings [Member]	Total
Balance at Dec. 31, 2012	$ 143	$ 24	$ 90,328	$ (13,955)	$ 320	$ 17,813	$ 94,673
Net loss						(68)	(68)
Other comprehensive loss					(1,121)		(1,121)
Stock-based employee compensation expense			318				318
Reversal of previously recognized stock-based employee compensation cost			(409)				(409)
Issuance of restricted shares	1		(1,270)	1,169			(100)
Income tax deficit arising from restricted share vesting			(111)				(111)
Balance at Jun. 30, 2013	$ 144	$ 24	$ 88,856	$ (12,786)	$ (801)	$ 17,745	$ 93,182