Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
Operating Activities
Net loss	$ (105,988)	$ (33,369)
Adjustments to reconcile net loss to net cash and cash equivalents used in operating activities:
Depreciation	1,498	802
Amortization of intangible assets	5,312	589
Amortization of debt discount and debt issuance costs	140	89
Stock-based compensation	3,858	2,388
Common stock issued for services	116
Inventory write-down related to restructuring	2,565
Loss on disposal of property		34
Non-cash restructuring and other charges	2,551
Goodwill impairment	61,784
Deferred tax benefit	(4,725)	(99)
Change in fair value of contingent consideration	1,700
Changes in operating assets and liabilities, net of effect of acquisition:
Accounts receivable	(809)	133
Interest receivable	(9)	(5)
Inventories	(1,883)	(250)
Other current and long term assets	(1,290)	(248)
Accounts payable	(1,917)	984
Accrued expenses	(168)	4,127
Restricted cash	(10,353)	250
Net cash and cash equivalents used in operating activities	(47,618)	(24,575)
Investing Activities
Payment for acquisition		(25,000)
Purchase of property and equipment	(878)	(728)
Net cash and cash equivalents used in investing activities	(878)	(25,728)
Financing Activities
Payment of debt	(4,972)
Proceeds from issuance of common stock, net of issuance costs	57,637	58,295
Proceeds from issuance of debt, net of debt discount		9,886
Taxes paid related to net share settlement of vesting of restricted stock units	(130)	(3)
Proceeds from exercise of stock options and warrants	163	252
Net cash and cash equivalents provided by financing activities	52,698	68,430
Effect of exchange rate changes on cash and cash equivalents	(133)
Net increase in cash and cash equivalents	4,069	18,127
Cash and cash equivalents, beginning of period	38,449	34,766
Cash and cash equivalents, end of period	42,518	52,893
Supplemental Disclosure for Cash Flow Information
Interest paid	1,019	598
Supplemental Schedule of Noncash Investing Activities
Transfer of inventory to property and equipment	$ 1,866
Issuance of common stock warrants		96
Contingent consideration related to acquisition		24,300
Issuance of common stock related to acquisition		$ 43,677