Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011
Cash flows from operating activities:
Net loss	$ (31,243)	$ (36,733)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	5,341	7,205
Amortization of deferred loan costs	341	419
Amortization of debt discount	668
Fair value adjustment of stock warrants	3,726
Deferred income taxes	226	1,566
Bad debt expense	167	74
Stock compensation expense	1,725	1,980
Net gain on sales of assets	(54)	(199)
Changes in assets and liabilities:
Receivables	(37,373)	(25,319)
Inventories	(17,708)	(5,660)
Other current assets	669	694
Other assets and liabilities	(857)	675
Accounts payable	30,910	14,888
Accrued liabilities	5,685	1,646
Net cash used in operating activities	(37,777)	(38,764)
Cash flows from investing activities:
Purchases of property, plant and equipment	(3,988)	(1,635)
Proceeds from sale of property, plant and equipment	58	295
Decrease in restricted cash	675
Net cash used in investing activities	(3,255)	(1,340)
Cash flows from financing activities:
Payments of long-term debt and other loans	(26)	(25)
Deferred loan costs	(287)
Exercise of stock options	98
Repurchase of common stock	(496)	(2)
Net cash used in financing activities	(711)	(27)
Net change in cash and cash equivalents	(41,743)	(40,131)
Cash and cash equivalents at beginning of period	146,833	103,234
Cash and cash equivalents at end of period	$ 105,090	$ 63,103