CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 50,446	$ 112,584
Marketable securities	0	33,818
Other receivables	914	2,280
Tax incentive receivable, current	39	361
Prepaid expenses and other current assets	1,488	8,829
Total current assets	52,887	157,872
Property and equipment, net	494	1,026
Operating lease right of use assets	5,356	6,530
Other assets	5,739	5,644
Total assets	64,476	171,072
Current liabilities:
Accounts payable	2,582	1,101
Accrued expenses and other current liabilities	8,093	14,350
Operating lease liabilities	1,683	1,362
Deferred Revenue, Current	3,726	1,857
Derivative liability, current	141	0
Total current liabilities	16,225	18,670
Liability related to the sale of future royalties, non-current	0	48,414
Non-current operating lease liabilities	5,218	5,973
Deferred revenue, non-current	10,442	8,786
Derivative Liability, Noncurrent	0	802
Other long-term liabilities	107	138
Total liabilities	31,992	82,783
Commitments and contingencies (Note 7)
Stockholders' equity:
Preferred stock, $0.001 par value; 10,000,000 shares authorized, no shares issued and outstanding as of September 30, 2022 and 3,218,152 shares issued and outstanding as of December 31, 2021	0	3
Common stock, $0.001 par value; 120,000,000 shares authorized as of September 30, 2022 and December 31, 2021; 42,856,623 shares issued and outstanding as of September 30, 2022 and 32,393,738 shares issued and outstanding as of December 31, 2021	43	32
Additional paid-in capital	473,090	455,719
Accumulated deficit	(440,649)	(367,463)
Accumulated other comprehensive gain (loss)	0	(2)
Total stockholders' equity	32,484	88,289
Total liabilities and stockholders' equity	$ 64,476	$ 171,072