Unaudited Condensed Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Current assets
Cash and cash equivalents	$ 227,034	$ 257,254
Accounts receivable	1,288	1,079
Prepaid expenses and other current assets	6,662	7,050
Total current assets	234,984	265,383
Property and equipment, net	2,453	1,447
Deferred financing costs	565
Right-of-use asset	14,608
Other assets	971	971
Total assets	253,581	267,801
Current liabilities
Accounts payable	1,812	1,153
Accrued compensation	1,616	5,378
Accrued expenses and other current liabilities	10,488	6,050
Payable to PLI	385	193
Deferred revenue	2,132	3,668
Lease liabilities, current portion	891
Total current liabilities	17,324	16,442
Deferred revenue, non-current	15,802	16,204
Lease liabilities, net of current portion	13,732
Total liabilities	46,858	32,646
Commitments and contingencies (Note 8)
Stockholders’ equity:
Preferred stock—$0.0001 par value; 40,000,000 shares authorized at March 31, 2022 and December 31, 2021; No shares issued and outstanding at March 31, 2022 and December 31, 2021
Common stock—$0.0001 par value; 400,000,000 shares authorized as of March 31, 2022 and December 31, 2021; 39,103,107 shares and 38,960,716 shares issued at March 31, 2022 and December 31, 2021, respectively; 39,089,812 shares and 38,943,110 shares outstanding at March 31, 2022 and December 31, 2021, respectively;	4	4
Additional paid-in capital	428,126	424,492
Accumulated deficit	(221,407)	(189,341)
Total stockholders’ equity	206,723	235,155
Total liabilities and stockholders’ equity	$ 253,581	$ 267,801