CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Current assets:
Cash and cash equivalents	$ 56,973	$ 45,072
Marketable securities	291,575	267,057
Accounts receivable, net	28,033	26,367
Inventory	1,322	1,140
Prepaid expenses and other current assets	11,631	14,500
Total current assets	389,534	354,136
Property and equipment, net	3,921	3,864
Operating lease right-of-use assets	10,306	11,180
Intangible assets, net	21,929	23,037
Deferred tax assets	83,858	87,680
Non-current inventory and other	6,357	3,851
Total assets	515,905	483,748
Current liabilities:
Accounts payable and accrued liabilities	29,086	27,590
Product revenue allowances	32,273	31,915
Total current liabilities	61,359	59,505
Operating lease non-current liabilities	11,559	12,455
Other non-current liabilities	2,415	843
Total liabilities	75,333	72,803
Commitments and contingencies (Notes 8 and 13)
Stockholders’ equity:
Preferred stock, $0.001 par value; 20,000,000 shares authorized, and no shares issued or outstanding at September 30, 2020 and December 31, 2019	0	0
Common stock, $0.001 par value; 150,000,000 shares authorized; 54,689,654 and 53,549,612 shares issued and outstanding at September 30, 2020 and December 31, 2019, respectively	55	54
Additional paid-in capital	645,656	631,307
Accumulated other comprehensive income	379	249
Accumulated deficit	(205,518)	(220,665)
Total stockholders’ equity	440,572	410,945
Total liabilities and stockholders’ equity	$ 515,905	$ 483,748