CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 29,851	$ 40,014
Short-term investments	68,838	75,870
Accounts receivable	2,886	3,224
Prepaid expenses and other current assets	4,142	3,267
Total current assets	105,717	122,375
Long-term investments	0	23,964
Property and equipment, net	780	505
Restricted cash, long-term	635	726
Operating lease right-of-use asset	4,718	5,749
Other assets	2,022	0
Goodwill	8,982	8,982
Total assets	122,854	162,301
Current liabilities:
Accounts payable	5,756	6,417
Accrued liabilities	6,883	6,339
Current portion of operating lease liability	1,103	682
Total current liabilities	13,742	13,438
Long-term operating lease liability	3,098	4,358
Liability related to the sale of future royalties, net	50,269	53,798
Total liabilities	67,109	71,594
Stockholders’ equity:
Common stock, $0.01 par value—227,812,500 shares authorized; 96,398,360 shares issued and outstanding at September 30, 2022; 227,812,500 shares authorized; 91,645,369 shares issued and outstanding at December 31, 2021	964	916
Additional paid-in capital	1,192,927	1,182,225
Accumulated deficit	(1,137,667)	(1,092,325)
Accumulated other comprehensive loss	(479)	(109)
Total stockholders’ equity	55,745	90,707
Total liabilities and stockholders’ equity	$ 122,854	$ 162,301