Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
Cash flows from operating activities
Net loss	$ (20,281)	$ (41,685)
Less: Net income (loss) from discontinued operations, net of tax	(104)	(73)
Net loss from continuing operations	(20,177)	(41,612)
Adjustments to reconcile net loss from continuing operations to net cash used in operating activities:
Depreciation and amortization of intangible assets	953	1,253
Change in fair value of contingent purchase price consideration		(3,475)
Intangible assets impairment charges		11,019
Accretion and amortization of loan fees	421	429
Share-based compensation expense	3,550	4,129
Loss on disposal of property and equipment	84	28
Deferred income taxes	1,117	(2,264)
Changes in operating assets and liabilities:
Accounts receivable, net	(1,291)	(3,658)
Inventory, net	773	(487)
Prepaid expenses and other assets	(270)	(422)
Accounts payable	(8,982)	(6,505)
Accrued liabilities	2,978	2,673
Other liabilities, net	(70)	7,552
Deferred income		286
Net cash used in operating activities from continuing operations	(20,914)	(31,054)
Cash flows from investing activities
Purchases of property and equipment	(4,884)	(735)
Net cash used in investing activities from continuing operations	(4,884)	(735)
Cash flows from financing activities
Proceeds from issuance of ordinary shares		39,298
Proceeds from exercise of share options	2,697	495
Payments of tax withheld on vesting of restricted share units	(265)	(203)
Change in loans payable	(57)	(54)
Net cash provided by financing activities from continuing operations	2,375	39,536
Net cash flows of continuing operations	(23,423)	7,747
Cash flows from discontinued operations
Net operating cash flows provided by discontinued operations	6,778	3,690
Net investing cash flows used in discontinued operations	(2,527)	(3,294)
Net financing cash flows used in discontinued operations	(10)	(9)
Net cash flows of discontinued operations	4,241	387
Effect of exchange rate changes on cash and cash equivalents, including restricted cash	(994)	499
Net (decrease) increase in cash and cash equivalents, including restricted cash	(20,176)	8,633
Cash, cash equivalents, and restricted cash at beginning of period	90,532	59,310
Cash, cash equivalents, and restricted cash at end of period	$ 70,356	$ 67,943