Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Cash flows from operating activities
Net loss	$ (46,322)	$ (10,361)
Adjustments to reconcile net loss to net cash provided by operating activities:
Stock-based compensation expense	1,490	1,493
Depreciation and amortization	28,300	29,712
Changes in operating assets and liabilities:
Accounts receivable	4,335	14,211
Inventories	12,745	(2,499)
Prepaid expenses	1,266	(587)
Accounts payable	2,276	(7,046)
Other current liabilities	508	(385)
Other assets and liabilities	(3,145)	(971)
Net cash provided by operating activities	1,453	23,567
Cash flows from investing activities
Purchases of property, plant and equipment	(843)	(2,843)
Net cash used in investing activities	(843)	(2,843)
Cash flows from financing activities
Proceeds from sale of stock	0	46,000
Repayment of debt	(6,300)	(54,078)
Repayment of notes payable and capital leases	(126)	(3,201)
Payment of equity offering costs	0	(1,621)
Payment of debt issuance costs	0	(113)
Net cash used in financing activities	(6,426)	(13,013)
Net decrease in cash and cash equivalents	(5,816)	7,711
Cash and cash equivalents, beginning of period	15,139	7,428
Cash and cash equivalents, end of period	9,323	15,139
Cash paid for income taxes	6	5
Cash paid for interest	4,283	6,870
Non-cash investing and financing activities:
Additions to property, plant and equipment unpaid during period	4	22
Issuance of common stock in exchange for debt	$ 0	$ 11,601