Condensed Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013
Net income (loss)	$ (18,645)	$ (10,669)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	10,336	11,106
Inventory valuation allowance	1,334	657
Deferred income taxes	707	737
Stock-based compensation expense	2,581	2,122
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	1,529	(1,249)
Changes in operating assets and liabilities
Accounts receivable	(565)	6,671
Other receivables	(7,096)	(164)
Inventories	4,338	3,093
Other current assets	(2,008)	247
Accounts payable	(320)	(4,961)
Accrued wages and other	(1,071)	(1,271)
Accrued restructuring	(778)	188
Increase (Decrease) in Deferred Revenue	4,336	(2,743)
Net cash provided by operating activities	(5,322)	5,100
Cash flows from investing activities:
Capital expenditures	(1,277)	(3,378)
Payments for (Proceeds from) Other Investing Activities	0	1,082
Net cash used in investing activities	(1,277)	(2,296)
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	21,020	418
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability	127	(1,345)
Other financing activities	(301)	(413)
Net cash provided by (used in) financing activities	15,719	(1,914)
Effect of exchange rate changes on cash	4	(146)
Net increase (decrease) in cash and cash equivalents	9,124	744
Cash and Cash Equivalents, beginning of period	25,482	33,182
Cash and Cash Equivalents, end of period	34,606	33,926
Supplemental disclosure of cash flow information:
Interest	611	705
Income taxes	$ 321	$ 647