Condensed Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
Cash flows from operating activities:
Net income (loss)	$ (23,114)	$ (23,389)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	15,357	16,586
Inventory valuation allowance	2,219	578
Deferred income taxes	940	850
Stock-based compensation expense	3,359	3,761
Disposal Group, Not Discontinued Operation, Loss (Gain) on Write-down	0	2,868
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal	0	(1,532)
Other	455	(1,370)
Changes in operating assets and liabilities
Accounts receivable	(2,332)	9,943
Other receivables	(3,312)	395
Inventories	6,179	2,027
Other current assets	1,516	143
Accounts payable	(3,391)	(4,860)
Accrued restructuring	(1,646)	1,233
Accrued wages and other	(1,159)	(1,655)
Increase (Decrease) in Deferred Revenue	(2,043)	(1,673)
Net cash provided by operating activities	(6,972)	3,905
Cash flows from investing activities:
Capital expenditures	(1,861)	(4,343)
Payments for (Proceeds from) Other Investing Activities	0	1,107
Net cash used in investing activities	(1,861)	(3,236)
Cash flows from financing activities:
Proceeds from (Repayments of) Lines of Credit	(5,000)	15,000
Repayments of Long-term Debt	0	(16,919)
Proceeds from issuance of common stock	21,081	626
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability	(156)	(1,740)
Other financing activities	(551)	(783)
Net cash provided by (used in) financing activities	15,530	(2,076)
Effect of exchange rate changes on cash	(241)	(216)
Net increase (decrease) in cash and cash equivalents	6,456	(1,623)
Cash and Cash Equivalents, beginning of period	25,482	33,182
Cash and Cash Equivalents, end of period	31,938	31,559
Supplemental disclosure of cash flow information:
Interest	917	1,110
Income taxes	$ 415	$ 673