Condensed Consolidated Statements of Cash Flows (Unaudited) $ in Thousands	6 Months Ended
	Jun. 30, 2017 USD ($)	Jun. 30, 2016 USD ($)
Operating activities:
Net income (loss)	$ 33,446	$ (35,219)
Depreciation	226	212
Accretion of debt discount and loan costs	1,491	198
Amortization of intangible assets	2,735	485
Derivative liability		114
Stock-based compensation expense	6,000	7,457
Deferred income taxes	(15,972)
Bargain purchase gain	(27,336)
Changes in assets and liabilities:
Accounts receivable	(4,183)	80
Inventories, net of effect of acquisition	2,660	(1,868)
Prepaid expenses and other assets	1,034	321
Accounts payable and accrued expenses, net of effect of acquisition	4,904	(441)
Deferred revenue	(21,716)	90
Net cash flows from operating activities	(16,711)	(28,571)
Investing activities:
Purchase of equipment	(2)	(249)
Net cash flows from investing activities	(2)	(249)
Financing activities:
Proceeds from notes payable	45,000
Payment of notes payable	(30,000)
Payment of deferred financing fees	(2,798)
Equity financing costs		40
Proceeds from exercise of stock options		225
Proceeds from issuance of common stock		2,459
Net cash flows from financing activities	12,202	2,724
Net change in cash and cash equivalents	(4,511)	(26,096)
Cash and cash equivalents at beginning of year	32,019	83,560
Cash and cash equivalents at end of period	27,508	57,464
Cash paid for interest	2,373	$ 1,358
Non-cash Operating, Financing and Investing Activities:
Fair value of bargain purchase price of BELBUCA acquisition	27,300
Fair value of warrants, in connection with CRG term loan	$ 4,500