Condensed Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Net income (loss)	$ (6,557)	$ (4,815)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	5,524	5,527
Inventory valuation allowance	397	453
Deferred income taxes	373	75
Non-cash interest expense	28	111
Loss on disposal of property and equipment	69	76
Stock-based compensation expense	1,099	922
Disposal Group, Not Discontinued Operation, Loss (Gain) on Write-down	3,068	0
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal	(1,575)	0
Other	(402)	115
Changes in operating assets and liabilities
Accounts receivable	1,330	1,898
Other receivables	464	963
Inventories	5,360	4,386
Inventory deposit	(979)	352
Other current assets	641	547
Accounts payable	(4,231)	(1,496)
Accrued wages and bonuses	(1,705)	(3,555)
Accrued restructuring	11	(1,053)
Deferred income	(1,775)	(3,380)
Other accrued liabilities	(223)	(1,988)
Net cash provided by operating activities	917	(862)
Cash flows from investing activities:
Capital expenditures	(1,699)	(3,574)
Purchase of long-term assets	1,180	0
Net cash used in investing activities	(519)	(3,574)
Cash flows from financing activities:
Proceeds from (Repayments of) Lines of Credit	15,000	0
Repayments of Long-term Debt	(16,919)	0
Proceeds from issuance of common stock	219	431
Other financing activities	(18)	(14)
Net cash provided by (used in) financing activities	(1,718)	417
Effect of exchange rate changes on cash	(114)	90
Net increase (decrease) in cash and cash equivalents	(1,434)	(3,929)
Cash and Cash Equivalents, beginning of period	33,182	47,770
Cash and Cash Equivalents, end of period	31,748	43,841
Supplemental disclosure of cash flow information:
Interest	705	619
Income taxes	$ 207	$ 181