Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011
OPERATING ACTIVITIES:
Net income (loss)	$ 4,307	$ (1,953)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation	5,104	4,335
Amortization of intangible assets	351	422
Amortization of debt discount and prepaid debt costs	42	55
Gain on embedded derivatives	0	(1,086)
Pension cost	135	186
Stock-based compensation expense	2,561	2,440
Provision for (recovery of) losses on accounts receivable	(110)	299
Changes in operating assets and liabilities:
Trade and other accounts receivable	(10,782)	(2,594)
Inventories	(10,570)	(10,317)
Prepaid expenses and other assets	339	709
Accounts payable and accrued liabilities and deferred revenue	29	5,312
Accrued employee compensation	723	954
Deferred tax liability, long term	(1,396)	0
Other long-term liabilities	(2,326)	(5,583)
Net cash used in operating activities	(11,593)	(6,821)
INVESTING ACTIVITIES:
Purchase of property and equipment	(13,121)	(10,994)
Restricted cash	0	8,000
Net cash used in investing activities	(13,121)	(10,994)
FINANCING ACTIVITIES:
Principal payments on long-term debt and short-term borrowings	(6,890)	(10,254)
Proceeds from long-term and short-term borrowings	11,230	10,047
Proceeds from sale of common stock, net of offering costs	10,283	0
Repurchase of shares	(319)	(154)
Proceeds from issuance of common stock under equity compensation plans	1,737	2,561
Net cash provided by financing activities	16,041	10,200
Increase (decrease) in cash and cash equivalents from operations	(8,673)	(7,615)
Effect of exchange rate changes on cash and cash equivalents	(543)	(1,226)
Decrease in cash and cash equivalents	(9,216)	(8,841)
Cash and cash equivalents, beginning of period	29,289	39,829
Cash and cash equivalents, end of period	$ 20,073	$ 30,988