CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 136,096	$ 206,953
Investment securities, available-for-sale	271,318	287,038
Accounts receivable	4,750	1,750
Prepaid expenses and other current assets	11,489	21,138
Deferred offering costs	528	455
Total current assets	424,181	517,334
Restricted cash	261	261
Right-of-use lease assets - operating, net	5,580	6,453
Property and equipment, net	3,079	3,092
Other non-current assets	455	531
Total assets	433,556	527,671
Current liabilities:
Accounts payable	3,920	1,939
Accrued expenses	17,686	16,099
Current portion of operating lease liability	2,262	2,175
Total current liabilities	23,868	20,213
Operating lease liability, net of current portion	4,175	5,328
Other non-current liabilities	104	104
Total liabilities	28,147	25,645
Commitments and Contingencies (Note 9)
Stockholders’ equity:
Preferred stock, $0.0001 par value; 10,000,000 shares authorized and 0 shares outstanding as of June 30, 2022 and December 31, 2021	0	0
Common stock, $0.0001 par value; 150,000,000 shares authorized at June 30, 2022 and December 31, 2021; 29,933,103 and 29,770,558 shares issued and outstanding at June 30, 2022 and December 31, 2021, respectively	3	3
Additional paid-in capital	819,433	790,391
Accumulated deficit	(411,032)	(287,871)
Accumulated other comprehensive loss	(2,995)	(497)
Total stockholders’ equity	405,409	502,026
Total liabilities and stockholders’ equity	$ 433,556	$ 527,671