Condensed Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Net loss	$ (4,815)	$ (529)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Depreciation and amortization	5,527	2,521
Inventory valuation allowance	453	458
Deferred income taxes	75	69
Non-cash interest expense	111	112
Loss (gain) on disposal of property and equipment	76	21
Stock-based compensation expense	922	1,401
Other	115	37
Changes in operating assets and liabilities, net of acquisitions:
Accounts receivable	1,898	(5,200)
Other receivables	963	713
Inventories	4,386	246
Inventory deposit	352	(787)
Other current assets	547	437
Accounts payable	(1,496)	7,915
Accrued wages and bonuses	(3,555)	(1,300)
Accrued restructuring	(1,053)	(657)
Deferred income	(3,380)	2,479
Other accrued liabilities	(1,988)	(2,050)
Net cash provided by (used in) operating activities	(862)	5,886
Cash flows from investing activities:
Capital expenditures	(3,574)	(961)
Purchase of long-term assets	0	(500)
Net cash used in investing activities	(3,574)	(1,461)
Cash flows from financing activities:
Repurchases of common stock	0	(1,258)
Proceeds from issuance of common stock	431	543
Other financing activities	(14)	(124)
Net cash provided by (used in) financing activities	417	(839)
Effect of exchange rate changes on cash	90	131
Net increase (decrease) in cash and cash equivalents	(3,929)	3,717
Cash and Cash Equivalents, beginning of period	47,770	129,078
Cash and Cash Equivalents, end of period	43,841	132,795
Supplemental disclosure of cash flow information:
Interest	619	688
Income taxes	181	263
Supplemental disclosure of non-cash financing activities:
Capital lease obligation	$ 13	$ 0