Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
Cash flows from operating activities:
Net income (loss)	$ (6,194)	$ (13,238)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	12,775	14,056
Inventory valuation allowance and adverse purch commitment charges	2,670	2,612
Deferred income taxes	(11)	427
Stock-based compensation expense	2,867	2,971
Translation Adjustment Functional to Reporting Currency, Loss (Gain), Reclassified to Earnings, Net of Tax	(421)	0
Other	163	(355)
Changes in operating assets and liabilities
Accounts receivable	4,357	(25)
Other receivables	7,663	2,874
Increase (Decrease) in Inventory and Deferred Cost of Sales	(7,760)	(1,745)
Accounts payable	(11,265)	(5,910)
Accrued restructuring	(380)	(4)
Accrued wages and other	(2,313)	(123)
Increase (Decrease) in Deferred Revenue	(14,738)	1,148
Other Accrued Liabilities	(293)	924
Net cash provided by operating activities	2,640	7,102
Cash flows from investing activities:
Capital expenditures	(3,420)	(1,653)
Net cash used in investing activities	(3,420)	(1,653)
Cash flows from financing activities:
Proceeds from (Repayments of) Lines of Credit	74,500	8,500
Repayments of Lines of Credit	(64,500)	(8,500)
Repayments of Long-term Debt	0	(18,000)
Restricted Stock, Value, Shares Issued Net of Tax Withholdings	(3,259)	(102)
Other financing activities	538	250
Net cash provided by (used in) financing activities	7,279	(17,852)
Effect of exchange rate changes on cash	216	(463)
Net increase (decrease) in cash and cash equivalents	6,715	(12,866)
Cash and Cash Equivalents, beginning of period	20,764	31,242
Cash and Cash Equivalents, end of period	27,479
Supplemental disclosure of cash flow information:
Interest	410	731
Income taxes	$ 864	$ 884