Consolidated Statements of Stockholders' Equity (Unaudited) (USD $) In Thousands, except Share data	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Total
Balance at Mar. 31, 2012	$ 245,617	$ 12,351	$ (209,282)		$ 48,686
Balance (in Shares) at Mar. 31, 2012	11,590,067
Net loss			(4,875)		(4,875)
Foreign currency translation adjustment				(132)	(132)
Share-based compensation		(75)			(75)
Balance at Jun. 30, 2012	245,617	12,276	(214,157)	(132)	43,604
Balance (in Shares) at Jun. 30, 2012	11,590,067
Balance at Dec. 31, 2011	245,617	12,279	(204,423)		53,473
Balance (in Shares) at Dec. 31, 2011	11,590,067
Net loss			(9,734)		(9,734)
Foreign currency translation adjustment				(132)	(132)
Share-based compensation		(3)			(3)
Balance at Jun. 30, 2012	245,617	12,276	(214,157)	(132)	43,604
Balance (in Shares) at Jun. 30, 2012	11,590,067
Balance at Dec. 31, 2012	246,667	12,410	(222,409)	(112)	36,556
Balance (in Shares) at Dec. 31, 2012	11,590,067
Net loss			(6,406)		(6,406)
Foreign currency translation adjustment				613	613
Share-based compensation		89			89
Balance at Jun. 30, 2013	246,667	12,499	(228,815)	501	30,852
Balance (in Shares) at Jun. 30, 2013	11,590,067
Balance at Mar. 31, 2013	246,667	12,468	(225,824)	69	33,380
Balance (in Shares) at Mar. 31, 2013	11,590,067
Net loss			(2,991)		(2,991)
Foreign currency translation adjustment				432	432
Share-based compensation		31			31
Balance at Jun. 30, 2013	$ 246,667	$ 12,499	$ (228,815)	$ 501	$ 30,852
Balance (in Shares) at Jun. 30, 2013	11,590,067