CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Current assets:
Cash and cash equivalents	$ 89,305	$ 99,394
Marketable securities	166,381	201,236
Accounts receivable, net	12,324	13,872
Inventory, net	5,388	5,351
Prepaid expenses and other current assets	2,906	3,112
Prepaid taxes	2,613	2,842
Total current assets	278,917	325,807
Property and equipment, net	3,455	3,230
Other assets	5,351	5,556
Investment-equity	15,000	0
Intangible assets, net	187,485	184,817
Goodwill	936	936
Total assets	491,144	520,346
Current liabilities:
Accounts payable	7,847	18,938
Accrued expenses	35,270	36,018
Guaranteed minimum royalty	2,000	2,000
Other current liabilities	3,479	3,902
Business combination-related contingent consideration	9,500	9,100
Convertible Debt	45,401	0
Derivative financial instruments, warrants	0	15,710
Total current liabilities	103,497	85,668
Convertible debt	0	45,077
Other non-current liabilities	4,880	2,472
Guaranteed minimum royalty, less current portion	12,778	13,095
Business combination-related contingent consideration, less current portion	82,000	80,900
Total liabilities	203,155	227,212
Stockholders' Equity:
Preferred stock $0.001 par value; 20,000,000 shares authorized; 0 issued and outstanding as of June 30, 2018 and December 31, 2017	0	0
Common stock $0.0001 par value; 100,000,000 shares authorized; 40,370,521 and 39,373,745 issued and outstanding as of June 30, 2018 and December 31, 2017, respectively	4	4
Additional paid-in capital	497,183	471,800
Accumulated deficit	(208,046)	(177,655)
Accumulated other comprehensive loss	(1,152)	(1,015)
Total stockholders' equity	287,989	293,134
Total liabilities and stockholders' equity	$ 491,144	$ 520,346