CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
Operating activities:
Net loss	$ (8,212)	$ (11,850)
Adjustments to reconcile net loss to net cash (used in) provided by operating activities:
Depreciation and amortization	3,738	7,381
Stock-based compensation	960	363
Interest expense related to amortization of debt discount and debt issuance costs	1,423	2,560
Provision for doubtful accounts	(72)	470
Provision for excess and obsolete inventory	892	2,374
Deferred income tax expense	(1)	(26)
Gain on sale of assets	(856)
Other non-cash items	394	820
Changes in operating assets and liabilities:
Restricted cash		2,200
Accounts receivable, net	5,458	2,933
Inventories, net	(617)	(78)
Prepaid expenses and other current assets	2,611	1,292
Other assets	317	162
Accounts payable	(3,546)	3,077
Accrued expenses and other	(9,210)	(1,754)
Deferred revenues	246	148
Net cash (used in) provided by operating activities	(6,475)	10,072
Investing activities:
Purchases of property and equipment	(5,348)	(5,691)
Cash received from sale of equipment		1,316
Net cash used in investing activities	(5,348)	(4,375)
Financing activities:
Borrowings under lines of credit	47,114	70,155
Repayments under lines of credit	(50,669)	(70,963)
Principal payments on capital lease obligations	(293)	(400)
Proceeds from sale of stock, net	17,630	58
Principal payments on notes payable and term loan	(2,557)	(4,605)
Net cash provided by (used in) financing activities	11,225	(5,755)
Effect of exchange rate changes on cash	(47)	(1,849)
Net decrease in cash	(645)	(1,907)
Cash at beginning of period, including discontinued operations	19,752	11,229
Cash at end of period, including discontinued operations	19,107	9,322
Supplemental disclosure of cash flow information:
Cash paid for interest	2,437	3,861
Cash paid for income taxes	69	896
Purchases of property and equipment in accounts payable	$ 374	$ 2,451