Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
Cash flows from operating activities:
Net income (loss)	$ (11,079)	$ (17,562)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	5,523	8,845
Amortization of debt discount and issuance costs	1,658	0
Inventory valuation allowance and adverse purch commitment charges	(374)	859
Deferred income taxes	105	300
Stock-based compensation expense	707	1,692
Change in fair value of Warrant liability	503	0
Other	188	(129)
Changes in operating assets and liabilities
Accounts receivable	2,511	(5,207)
Other receivables	1,759	(83)
Increase (Decrease) in Inventory and Deferred Cost of Sales	1,846	(4,803)
Accounts payable	(10,445)	3,155
Accrued restructuring	(2,430)	(195)
Accrued wages and other	341	(2,315)
Increase (Decrease) in Deferred Revenue	1,572	1,910
Other Accrued Liabilities	2,339	(255)
Net cash provided by operating activities	(8,968)	(4,182)
Cash flows from investing activities:
Capital expenditures	(401)	(3,158)
Net cash used in investing activities	(401)	(3,158)
Cash flows from financing activities:
Proceeds from (Repayments of) Lines of Credit	64,668	78,000
Repayments of Lines of Credit	(68,492)	(58,000)
Proceeds from Notes Payable	17,000	0
Payments of debt issuance costs	(2,370)	0
Net settlement of restricted shares	(23)	0
Other financing activities	133	86
Net cash provided by (used in) financing activities	10,916	20,086
Effect of exchange rate changes on cash	(72)	415
Net increase (decrease) in cash and cash equivalents	1,475	13,161
Cash and cash equivalents, beginning of period	8,124
Restricted cash and cash equivalents, beginning of period	0	0
Cash, cash equivalents, and restricted cash, beginning of period		33,087
Cash, cash equivalents, and restricted cash, end of period	9,599	46,248
Restricted cash and cash equivalents, end of period	4,000	0
Cash and cash equivalents, end of period	5,599	46,248
Supplemental disclosure of cash flow information:
Interest	305	467
Income taxes	$ 622	$ 533