Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 172,147	$ 200,825
Marketable securities	83,865	175,746
Prepaid expenses and other current assets	9,582	5,821
Total current assets	265,594	382,392
Property and equipment, net	5,945	4,678
Right-of-use assets	32,467	36,282
Restricted cash and other assets	2,319	2,311
Total assets	306,325	425,663
Current liabilities:
Accounts payable	5,259	4,031
Accrued expenses and other current liabilities	18,219	20,799
Lease liabilities	4,610	3,893
Total current liabilities	28,088	28,723
Lease liability, net of current portion	25,873	28,743
Total liabilities	53,961	57,466
Commitments and contingencies (Note 10)
Stockholders’ equity
Preferred stock, $0.0001 par value; 10,000,000 shares authorized at December 31, 2022 and 2021	0	0
Common stock, $0.0001 par value; 200,000,000 shares authorized at December 31, 2022 and 2021, respectively; 55,636,505 and 51,607,522 shares issued and 55,636,505 and 51,569,381 shares outstanding at December 31, 2022 and 2021, respectively	6	6
Additional paid-in capital	649,502	596,934
Accumulated other comprehensive loss	(571)	(269)
Accumulated deficit	(396,573)	(228,474)
Total stockholders’ equity	252,364	368,197
Total liabilities and stockholders’ equity	$ 306,325	$ 425,663