Condensed Consolidated Statements Of Cash Flows (USD $) In Thousands	6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010
OPERATING ACTIVITIES:
Net loss	$ (1,021)	$ (1,342)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Depreciation	3,095	2,738
Amortization of intangible assets	275	277
Amortization of debt discount and prepaid debt costs	55	41
Gain on embedded derivatives and warrants	(1,086)	(4,475)
Pension benefit	(54)	(100)
Stock-based compensation expense	1,706	1,366
Provision for losses on accounts receivable	203	30
Changes in operating assets and liabilities:
Trade and other accounts receivable	(7,628)	(3,928)
Inventories	(7,098)	(300)
Prepaid expenses and other assets	303	63
Accounts payable and accrued liabilities	3,167	7,936
Accrued employee compensation	688	625
Other long-term liabilities	(5,567)	(43)
Net cash provided by (used in) operating activities	(12,962)	2,888
INVESTING ACTIVITIES:
Purchases of property and equipment	(7,291)	(3,308)
Net cash used in investing activities	(7,291)	(3,308)
FINANCING ACTIVITIES:
Principal payments on long-term debt and short-term borrowings	(6,650)	(6,007)
Proceeds from long-term and short-term borrowings	6,472	5,791
Repurchase of shares	(121)	(122)
Proceeds from issuance of common stock under equity compensation plans	1,061	510
Release of restricted cash	8,000
Net cash provided by financing activities	8,762	172
Effect of exchange rate changes on cash and cash equivalents	1,453	(1,133)
Decrease in cash and cash equivalents	(10,038)	(1,381)
Cash and cash equivalents, beginning of period	39,829	29,582
Cash and cash equivalents, end of period	$ 29,791	$ 28,201