Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 249,773	$ 150,483
Short-term marketable securities	101,676	37,775
Prepaid expenses and other current assets	3,724	5,324
Total current assets	355,173	193,582
Property and equipment, net	47	90
Right of use asset	1,242	1,459
Other assets, noncurrent	108	417
Total assets	356,570	195,548
Current liabilities:
Accounts payable	7,968	6,706
Accrued expenses and other current liabilities	11,115	18,422
Total current liabilities	19,083	25,128
Loan payable, noncurrent	9,541
Warrant liability	305
Operating lease liability, noncurrent	1,079	1,311
Total liabilities	30,008	26,439
Commitments and contingencies (Note 12)
Stockholders' equity:
Common stock, $0.0001 par value, 150,000,000 shares authorized as of December 31, 2022 and December 31, 2021; 46,856,206 and 34,900,727 shares issued and outstanding as of December 31, 2022 and December 31, 2021, respectively	5	4
Additional paid-in capital	748,857	479,436
Accumulated other comprehensive income (loss)	37	(27)
Accumulated deficit	(422,337)	(310,304)
Total stockholders' equity	326,562	169,109
Total liabilities and stockholders' equity	$ 356,570	$ 195,548