Condensed Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Cash flows from operating activities:
Net income (loss)	$ (7,053)	$ (10,434)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	4,778	5,245
Inventory valuation allowance	(40)	1,162
Deferred income taxes	170	311
Stock-based compensation expense	659	1,121
Other	254	1,301
Changes in operating assets and liabilities
Accounts receivable	2,064	3,901
Other receivables	3,883	(1,707)
Inventories	2,769	385
Other current assets	428	(1,958)
Accounts payable	(8,183)	(2,713)
Accrued restructuring	2,354	(394)
Accrued wages and other	(834)	(1,209)
Increase (Decrease) in Deferred Revenue	1,251	2,791
Other Accrued Liabilities	1,128	(1,006)
Net cash provided by operating activities	3,628	(3,204)
Cash flows from investing activities:
Capital expenditures	(640)	(678)
Net cash used in investing activities	(640)	(678)
Cash flows from financing activities:
Proceeds from (Repayments of) Lines of Credit	7,000	0
Repayments of Lines of Credit	(7,000)
Repayments of Long-term Debt	(18,000)	0
Proceeds from issuance of common stock	94	20,880
Other financing activities	(86)	(235)
Net cash provided by (used in) financing activities	(17,992)	20,645
Effect of exchange rate changes on cash	(392)	19
Net increase (decrease) in cash and cash equivalents	(15,396)	16,782
Cash and Cash Equivalents, beginning of period	31,242	25,482
Cash and Cash Equivalents, end of period	15,846	42,264
Supplemental disclosure of cash flow information:
Interest	519	405
Income taxes	$ 93	$ 217