Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
Operating Activities
Net loss	$ (93,044)	$ (19,468)
Adjustments to reconcile net loss to net cash and cash equivalents used in operating activities:
Depreciation	1,052	517
Amortization of intangible assets	3,603	251
Amortization of debt discount and debt issuance costs	99	54
Stock-based compensation	2,477	1,667
Inventory write-down related to restructuring	2,565
Non-cash restructuring and other charges	2,551
Goodwill impairment	61,784
Deferred tax benefit	(3,657)
Change in fair value of contingent consideration	1,800
Changes in operating assets and liabilities, net of effect of acquisition:
Accounts receivable		125
Interest receivable	(13)
Inventories	(3,983)
Other current and long term assets	(213)	150
Accounts payable	(2,497)	(162)
Accrued expenses	(60)	490
Restricted cash	(290)	250
Net cash and cash equivalents used in operating activities	(27,826)	(16,126)
Investing Activities
Purchase of property and equipment	(517)	(311)
Net cash and cash equivalents used in investing activities	(517)	(311)
Financing Activities
Payment of debt	(3,078)
Proceeds from issuance of common stock, net of issuance costs	57,637	52,533
Taxes paid related to net share settlement of vesting of restricted stock units	(130)
Proceeds from exercise of stock options and warrants	165	250
Net cash and cash equivalents provided by financing activities	54,594	52,783
Effect of exchange rate changes on cash and cash equivalents	(91)
Net increase in cash and cash equivalents	26,160	36,346
Cash and cash equivalents, beginning of period	38,449	34,766
Cash and cash equivalents, end of period	64,609	71,112
Supplemental Disclosure for Cash Flow Information
Interest paid	713	$ 375
Supplemental Schedule of Noncash Investing Activities
Transfer of inventory to property and equipment	$ 1,823