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 Dec. 31, 2011	$ 245,617	$ 12,279	$ (204,423)		$ 53,473
Balance (in Shares) at Dec. 31, 2011	11,590,067
Net loss			(4,859)		(4,859)
Share-based compensation		72			72
Balance at Mar. 31, 2012	245,617	12,351	(209,282)		48,686
Balance (in Shares) at Mar. 31, 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			(3,415)		(3,415)
Foreign currency translation adjustment				181	181
Share-based compensation		58			58
Balance at Mar. 31, 2013	$ 246,667	$ 12,468	$ (225,824)	$ 69	$ 33,380
Balance (in Shares) at Mar. 31, 2013	11,590,067