Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Cash flows from operating activities:
Net income (loss)	$ (32,973)	$ (6,194)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	12,396	12,775
Inventory valuation allowance and adverse purch commitment charges	7,900	2,670
Deferred income taxes	527	(11)
Stock-based compensation expense	1,816	2,867
Loss (gain) on the liquidation of foreign subsidiaries	313	(421)
Other	216	163
Changes in operating assets and liabilities
Accounts receivable	4,530	4,357
Other receivables	(44)	7,663
Increase (Decrease) in Inventory and Deferred Cost of Sales	(2,732)	(7,760)
Accounts payable	(26)	(11,265)
Accrued restructuring	(529)	(380)
Accrued wages and other	(3,115)	(2,313)
Increase (Decrease) in Deferred Revenue	(1,157)	(14,738)
Other Accrued Liabilities	831	(293)
Net cash provided by operating activities	(6,583)	2,640
Cash flows from investing activities:
Capital expenditures	(4,544)	(3,420)
Net cash used in investing activities	(4,544)	(3,420)
Cash flows from financing activities:
Proceeds from (Repayments of) Lines of Credit	84,000	74,500
Repayments of Lines of Credit	(94,000)	(64,500)
Net settlement of restricted shares	(204)	(3,259)
Other financing activities	499	538
Net cash provided by (used in) financing activities	(9,705)	7,279
Effect of exchange rate changes on cash	427	216
Net increase (decrease) in cash and cash equivalents	(20,405)	6,715
Cash and Cash Equivalents, beginning of period	33,087	20,764
Cash and Cash Equivalents, end of period	12,682
Supplemental disclosure of cash flow information:
Interest	731	410
Income taxes	$ 928	$ 864