CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Current assets:
Cash and cash equivalents	$ 23,262	$ 37,805
Marketable securities	199,083	191,799
Accounts receivable, net	13,400	12,458
Inventory, net	3,230	2,536
Prepaid expenses and other current assets	3,093	2,378
Prepaid taxes	8,498	8,107
Note receivable, current	47,173	46,849
Total current assets	297,739	301,932
Property and equipment, net	417	428
Other asset	1,859	1,859
Intangible assets, net	160,260	161,536
Goodwill	936	936
Note receivable, long term	45,889	45,573
Total assets	507,100	512,264
Current liabilities:
Accounts payable	4,647	7,639
Accrued expenses	20,392	23,820
Guaranteed minimum royalty, short term	2,000	2,000
Other current liabilities	1,235	958
Business combination-related contingent consideration	13,873	13,754
Derivative financial instruments, warrants	24,470	38,810
Total current liabilities	66,617	86,981
Convertible debt	43,929	43,766
Other non-current liabilities	2,889	3,066
Guaranteed minimum royalty, long term	8,689	8,885
Business combination-related contingent consideration, less current portion	46,426	45,267
Deferred income tax liability, net	19,318	24,328
Total liabilities	187,868	212,293
Stockholders' Equity:
Preferred stock $0.001 par value; 20,000,000 shares authorized; 0 issued and outstanding as of March 31, 2016 and December 31, 2015	0	0
Common stock $0.0001 par value; 100,000,000 shares authorized; 36,592,435 and 36,465,853 issued and 36,592,435 and 36,465,853 outstanding as of March 31, 2016 and December 31, 2015, respectively	4	4
Additional paid-in capital	373,327	365,802
Accumulated deficit	(53,937)	(65,153)
Accumulated other comprehensive loss	(162)	(682)
Total stockholders' equity	319,232	299,971
Total liabilities and stockholders' equity	$ 507,100	$ 512,264