Condensed Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Net income (loss)	$ (10,434)	$ (6,557)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	5,245	5,524
Inventory valuation allowance	1,162	397
Deferred income taxes	311	373
Stock-based compensation expense	1,121	1,099
Disposal Group, Not Discontinued Operation, Loss (Gain) on Write-down	0	3,068
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal	0	(1,575)
Other	1,301	(305)
Changes in operating assets and liabilities
Accounts receivable	3,901	1,330
Other receivables	(1,707)	464
Inventories	385	4,381
Other current assets	(1,958)	641
Accounts payable	(2,713)	(4,231)
Accrued wages and bonuses	(1,209)	(1,705)
Accrued restructuring	(394)	11
Deferred income	2,791	(1,775)
Other accrued liabilities	(1,006)	(223)
Net cash provided by operating activities	(3,204)	917
Cash flows from investing activities:
Capital expenditures	(678)	(1,699)
Payments for (Proceeds from) Other Investing Activities	0	1,180
Net cash used in investing activities	(678)	(519)
Cash flows from financing activities:
Proceeds from (Repayments of) Lines of Credit	0	15,000
Repayments of Long-term Debt	0	(16,919)
Proceeds from issuance of common stock	20,880	219
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability	0	740
Other financing activities	(235)	(18)
Net cash provided by (used in) financing activities	20,645	(1,718)
Effect of exchange rate changes on cash	19	(114)
Net increase (decrease) in cash and cash equivalents	16,782	(1,434)
Cash and Cash Equivalents, beginning of period	25,482	33,182
Cash and Cash Equivalents, end of period	42,264	31,748
Supplemental disclosure of cash flow information:
Interest	405	705
Income taxes	$ 217	$ 207