Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Cash flows from operating activities:
Net income (loss)	$ (11,172)	$ (18,645)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	9,474	10,336
Inventory valuation allowance	272	1,334
Deferred income taxes	288	707
Stock-based compensation expense	1,799	2,581
Other	170	1,529
Changes in operating assets and liabilities
Accounts receivable	4,907	(565)
Other receivables	2,507	(7,096)
Inventories	3,376	4,338
Other current assets	503	(2,008)
Accounts payable	(7,589)	(320)
Accrued restructuring	608	(778)
Accrued wages and other	(176)	(1,059)
Increase (Decrease) in Deferred Revenue	366	4,336
Other Accrued Liabilities	1,281	(12)
Net cash provided by operating activities	6,614	(5,322)
Cash flows from investing activities:
Capital expenditures	(1,046)	(1,277)
Net cash used in investing activities	(1,046)	(1,277)
Cash flows from financing activities:
Proceeds from (Repayments of) Lines of Credit	8,500	0
Repayments of Lines of Credit	(8,500)	(5,000)
Repayments of Long-term Debt	(18,000)	0
Proceeds from issuance of common stock	167	21,020
Other financing activities	(97)	(301)
Net cash provided by (used in) financing activities	(17,930)	15,719
Effect of exchange rate changes on cash	(331)	4
Net increase (decrease) in cash and cash equivalents	(12,693)	9,124
Cash and Cash Equivalents, beginning of period	31,242	25,482
Cash and Cash Equivalents, end of period	18,549	34,606
Supplemental disclosure of cash flow information:
Interest	628	611
Income taxes	$ 500	$ 321