Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 65,799	$ 34,605
Investments	143,987	280,462
Prepaid expenses and other current assets	5,917	4,487
Total current assets	215,703	319,554
Property and equipment, net	3,035	385
Restricted cash	1,223	1,223
Right-of-use assets	27,705	8,402
Other non-current assets	16	106
Total assets	247,682	329,670
Current liabilities:
Accounts payable	4,107	2,538
Accrued expenses and other current liabilities	19,535	11,680
Total current liabilities	23,642	14,218
Non-current operating lease liability	28,140	7,694
Total liabilities	51,782	21,912
Commitments and contingencies (Note 12)	0	0
Stockholders' equity (deficit):
Preferred stock, $0.0001 par value; 10,000,000 shares and 10,000,000 shares authorized at December 31, 2021 and 2020, respectively; no shares issued or outstanding at December 31, 2021 and 2020	0	0
Common stock; $0.0001 par value; 500,000,000 shares authorized at December 31, 2021 and 500,000,000 shares authorized at December 31, 2020; 36,234,624 shares issued and outstanding at December 31, 2021 and 36,078,383 shares issued and outstanding at December 31, 2020	5	5
Additional paid-in capital	440,129	425,363
Accumulated other comprehensive (loss) income	(414)	614
Accumulated deficit	(243,820)	(118,224)
Total stockholders' equity	195,900	307,758
Total liabilities and stockholders' equity	$ 247,682	$ 329,670