CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Operating Activities
Net loss	$ (10,488)	$ (26,462)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation	12,957	15,750
Impairment of property, plant and equipment	3,086	2,381
Non-cash compensation cost	1,275	1,602
Amortization of deferred gain on sale leaseback transaction	(47)	0
Deferred income taxes	410	(253)
Other, net	204	13
Changes in operating assets and liabilities:
Trade accounts receivable, net	(3,287)	8,909
Prepaid expenses and other assets	1,113	1,407
Accounts payable	(121)	87
Income taxes, net	334	(339)
Accrued and other liabilities	(2,525)	(4,363)
Net cash (used in) provided by operating activities	2,911	(1,268)
Investing Activities
Proceeds from note receivable	660	660
Proceeds from sale leaseback transactions	3,884	0
Purchases of property, plant and equipment	(7,305)	(8,958)
Net cash used in continuing investing activities	(2,761)	(8,298)
Financing Activities
Proceeds from stock option exercises	0	111
Proceeds from line of credit	28,641	2,809
Principal payments on line of credit	(28,641)	(2,809)
Net proceeds from the issuance of common stock	103	123
Principal payments on capital lease obligations	(96)	(85)
Net cash provided by financing activities	7	149
Effect of exchange rate changes on cash	(693)	396
Net decrease in cash and cash equivalents	(536)	(9,021)
Cash and cash equivalents at beginning of period	9,719	18,740
Cash and cash equivalents at end of period	9,183	9,719
Supplemental Disclosure of Cash Flow Information
Cash paid for interest	78	8
Cash paid for income taxes	$ 5	$ 370