CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
Operating Activities
Net loss	$ (54,997)	$ (51,263)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	17,777	3,481
Amortization of debt issuance costs	53	37
Change in fair value of contingent consideration	8,037
Payment of contingent consideration	(209)
Unrealized foreign currency transaction (gain) loss	(93)	(35)
Gain of sale of property and equipment	(266)
Change in fair value of warrants liability	(24)	(4,740)
Share-based compensation expense	5,777	6,543
Benefit from deferred income taxes		(797)
Changes in operating assets and liabilities:
Accounts receivable	9,667	2,871
Inventory	(302)	(962)
Prepaid expenses and other current assets	(1,724)	(520)
Accounts payable	15,621	(3,197)
Accrued expenses	(3,336)	(8,306)
Other liabilities	(652)	(836)
Other, net	559
Net cash used in operating activities	(4,112)	(57,724)
Investing activities
Acquisitions of businesses, net of cash acquired		(17,887)
Purchases of property and equipment	(1,702)	(658)
Proceeds from sale of property and equipment	523
Change in restricted cash balance		(281)
Other	(216)	(312)
Net cash used in investing activities	(1,395)	(19,138)
Financing activities
Proceeds from issuance of convertible debt		75,000
Proceeds from issuance of common stock		75,000
Payment of debt and equity issuance costs		(673)
Repayment of convertible note		(3,922)
Payment of contingent consideration	(3,977)
Proceeds from exercise of stock options / warrants	108	1,163
Payments related to settlement of stock awards		(1,656)
Net cash (used in) provided by financing activities	(3,869)	144,912
Net (decrease) increase in cash and cash equivalents	(9,376)	68,050
Effect of change in foreign exchange rates on cash and cash equivalents	209	166
Cash and cash equivalents at beginning of period	64,943	24,816
Cash and cash equivalents at end of period	55,776	93,032
Supplemental non-cash activities:
Fair value of assets acquired and liabilities assumed through acquisition of business (See Note 3)		115,136
Non-cash additions to intangible assets (See Note 6)		643
Non-cash additions to property and equipment		602
Supplemental disclosure of cash flow information:
Income taxes paid	1,729
Interest paid	$ 11,346	$ 1,546