Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Current assets:
Cash and cash equivalents	$ 66,398	$ 33,498
Marketable securities	23,723	28,692
Accounts receivable, net	41,527	25,908
Inventories, net	16,801	12,587
Prepaid expenses and other current assets	2,955	5,261
Total current assets	151,404	105,946
Long term marketable securities	75,410	55,009
Property and equipment, net	4,344	3,874
Deferred legal fees	19,860	22,503
Intangible assets, net	16,490	976
Other non-current assets	331	318
Deferred income taxes	41,729
Total assets	309,568	188,626
Current liabilities:
Accounts payable	8,055	4,314
Accrued sales deductions	41,943	26,794
Accrued expenses	27,434	25,153
Non-recourse liability related to sale of future royalties, current portion	3,101	497
Deferred licensing revenue	209	176
Total current liabilities	80,742	56,934
Deferred licensing revenue, net of current portion	1,501	1,390
Convertible notes, net	4,165	7,085
Non-recourse liability related to sale of future royalties, long term	27,289	30,031
Other non-current liabilities	4,002	4,325
Derivative liabilities	114	854
Total liabilities	117,813	100,619
Stockholders' equity:
Common stock, $0.001 par value, 130,000,000 shares authorized December 31, 2016 and 2015; 49,971,267 and 49,004,674 shares issued and outstanding at December 31, 2016 and 2015, respectively	50	49
Additional paid-in capital	276,127	263,955
Accumulated other comprehensive loss, net of tax	(134)	(488)
Accumulated deficit	(84,288)	(175,509)
Total stockholders' equity	191,755	88,007
Total liabilities and stockholders' equity	$ 309,568	$ 188,626