Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
Cash flows from operating activities
Net loss	$ (15,195)	$ (34,835)
Adjustments to reconcile net loss to net cash provided by operating activities:
Stock-based compensation expense	541	1,119
Depreciation and amortization	21,249	21,174
Changes in operating assets and liabilities:
Accounts receivable	2,019	(348)
Inventories	2,251	13,271
Prepaid expenses	53	1,248
Accounts payable	(7,147)	3,725
Other current liabilities	5,406	531
Other assets and liabilities	948	(3,168)
Net cash provided by operating activities	10,125	2,717
Cash flows from investing activities
Purchases of property, plant and equipment	(2,024)	(606)
Net cash used in investing activities	(2,024)	(606)
Cash flows from financing activities
Repayment of debt	0	(6,300)
Repayment of notes payable and capital leases	(134)	(108)
Net cash used in financing activities	(134)	(6,408)
Net increase (decrease) in cash and cash equivalents	7,967	(4,297)
Cash and cash equivalents, beginning of period	9,323	15,139
Cash and cash equivalents, end of period	17,290	10,842
Cash paid for income taxes	7	6
Cash paid for interest	315	4,180
Non-cash investing and financing activities:
Additions to property, plant and equipment unpaid during period	$ 0	$ 2