CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS
Net loss	$ (5,724)	$ (50,365)	$ (5,116)
Other comprehensive (loss) income, net of tax:
Cumulative effect of accounting change		(282)
Defined benefit pension plan:
Amortization of net gain (loss)	63	(153)	49
Other comprehensive income (loss)	63	(435)	49
Comprehensive loss	$ (5,661)	$ (50,800)	$ (5,067)