Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
Operating activities:
Net (loss) income	$ (26,859)	$ 21,495
Adjustments to reconcile net (loss) income to net cash flows from operating activities
Depreciation	685	465
Accretion of debt discount and loan costs	2,953	1,941
Amortization of intangible assets	3,868	4,103
Impairment loss on equipment	78
Provision for inventory obsolescence	396
Stock-based compensation expense	4,896	10,223
Deferred income taxes		(15,972)
Bargain purchase gain		(27,336)
Changes in assets and liabilities, net of effect of acquisition:
Accounts receivable	(3,581)	(7,222)
Inventories	261	2,314
Prepaid expenses and other assets	(545)	1,826
Accounts payable and accrued liabilities	(427)	8,998
Deferred revenue		(21,716)
Net cash flows used in operating activities	(18,275)	(20,881)
Investing activities:
BELBUCA® acquisition	(1,951)	(3,902)
Purchase of equipment	(155)	(5)
Net cash flows used in investing activities	(2,106)	(3,907)
Financing activities:
Proceeds from issuance of Series B preferred stock	50,000
Equity finance costs	(1,410)
Proceeds from notes payable		45,000
Proceeds from exercise of stock options	528	313
Payment on note payable		(30,000)
Payment of deferred financing fees	(450)	(2,798)
Net cash flows provided by financing activities	48,668	12,515
Net change in cash and cash equivalents	28,287	(12,273)
Cash and cash equivalents at beginning of period	21,195	32,019
Cash and cash equivalents at end of period	49,482	19,746
Cash paid for interest	4,645	3,816
Non-cash Operating, Financing and Investing Activities:
Adjustments to additional paid in capital dividends in excess of retained earnings	$ 12,500
Common stock issuance upon retirement, shares	2,119,925
Common stock issuance upon retirement	$ 5,300
Fair value of bargain purchase price of BELBUCA acquisition		$ 27,300
Series B Non-Voting Convertible Preferred Stock [Member]
Non-cash Operating, Financing and Investing Activities:
Adjustments to additional paid in capital dividends in excess of retained earnings	12,500
Accrued financing expenses	$ 600