Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 37,324	$ 34,605
Investments	226,146	280,462
Prepaid expenses and other current assets	7,477	4,487
Total current assets	270,947	319,554
Property and equipment, net	2,433	385
Restricted cash	1,223	1,223
Right-of-use asset	13,181	8,402
Other non-current assets	98	106
Total assets	287,882	329,670
Current liabilities:
Accounts payable	5,030	2,538
Accrued expenses and other current liabilities	18,456	11,680
Total current liabilities	23,486	14,218
Non-current operating lease liability	13,376	7,694
Total liabilities	36,862	21,912
Commitments and contingencies (Note 11)	0	0
Stockholders' equity:
Preferred stock, $0.0001 par value; 10,000,000 shares and 10,000,000 shares authorized at June 30, 2021 and December 31, 2020, respectively; no shares issued or outstanding at June 30, 2021 and December 31, 2020	0	0
Common stock; $0.0001 par value; 500,000,000 shares authorized at June 30, 2021 and 500,000,000 shares authorized at December 31, 2020; 36,205,826 shares issued and outstanding at June 30, 2021 and 36,078,383 shares issued and outstanding at December 31, 2020	5	5
Additional paid-in capital	433,680	425,363
Accumulated other comprehensive income	211	614
Accumulated deficit	(182,876)	(118,224)
Total stockholders' equity	251,020	307,758
Total liabilities and stockholders' equity	$ 287,882	$ 329,670