Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 59,599	$ 66,398
Marketable securities	27,533	23,723
Accounts receivable, net	38,885	41,527
Inventories, net	19,167	16,801
Prepaid expenses and other current assets	4,573	2,955
Total current assets	149,757	151,404
Long term marketable securities	89,163	75,410
Property and equipment, net	4,342	4,344
Deferred legal fees	11,331	19,860
Intangible assets, net	29,450	16,490
Other non-current assets	350	331
Deferred income taxes	37,863	41,729
Total assets	322,256	309,568
Current liabilities:
Accounts payable	5,056	8,055
Accrued sales deductions	43,450	41,943
Accrued expenses	26,890	27,427
Accrued income taxes payable	1,675	7
Non-recourse liability related to sale of future royalties, current portion	4,645	3,101
Deferred licensing revenue	287	209
Total current liabilities	82,003	80,742
Deferred licensing revenue, net of current portion	1,365	1,501
Convertible notes, net	3,310	4,165
Non-recourse liability related to sale of future royalties, long term	25,555	27,289
Other non-current liabilities	3,936	4,002
Derivative liabilities	23	114
Total liabilities	116,192	117,813
Stockholders' equity:
Common stock, $0.001 par value, 130,000,000 shares authorized March 31, 2017 and December 31, 2016; 50,226,397 and 49,971,267 shares issued and outstanding at March 31, 2017 and December 31, 2016, respectively	50	50
Additional paid-in capital	279,792	276,127
Accumulated other comprehensive income (loss), net of tax	32	(134)
Accumulated deficit	(73,810)	(84,288)
Total stockholders' equity	206,064	191,755
Total liabilities and stockholders' equity	$ 322,256	$ 309,568