Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Cash flows from operating activities:
Net income (loss)	$ (10,008)	$ (2,965)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	4,358	4,345
Inventory valuation allowance and adverse purch commitment charges	702	545
Deferred income taxes	195	12
Stock-based compensation expense	1,154	688
Other	(185)	372
Changes in operating assets and liabilities
Accounts receivable	(11,547)	22,134
Other receivables	741	8,254
Increase (Decrease) in Inventory and Deferred Cost of Sales	(8,681)	(578)
Accounts payable	(7,038)	(12,155)
Accrued restructuring	(1,124)	435
Accrued wages and other	(2,368)	(3,207)
Increase (Decrease) in Deferred Revenue	1,578	(16,693)
Other Accrued Liabilities	350	(661)
Net cash provided by operating activities	(14,511)	1,682
Cash flows from investing activities:
Capital expenditures	(1,803)	(422)
Net cash used in investing activities	(1,803)	(422)
Cash flows from financing activities:
Proceeds from (Repayments of) Lines of Credit	37,000	18,000
Repayments of Lines of Credit	(22,000)	(18,000)
Restricted Stock, Value, Shares Issued Net of Tax Withholdings	(192)	(2)
Other financing activities	108	107
Net cash provided by (used in) financing activities	14,916	105
Effect of exchange rate changes on cash	336	254
Net increase (decrease) in cash and cash equivalents	(1,062)	1,619
Cash and Cash Equivalents, beginning of period	33,087	20,764
Cash and Cash Equivalents, end of period	32,025	22,383
Supplemental disclosure of cash flow information:
Interest	247	123
Income taxes	$ 286	$ 228