Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 47,730	$ 376,976
Investments in marketable securities, current	220,499	0
Prepaid expenses and other current assets	7,136	4,760
Total current assets	275,365	381,736
Restricted cash	1,716	1,716
Investments in marketable securities, non-current	15,322	0
Property, plant and equipment, net	22,630	6,507
Operating lease right-of-use assets	5,580	11,574
Other assets	1,289	454
Total assets	321,902	401,987
Current liabilities:
Accounts payable	2,608	2,453
Accrued compensation	3,799	2,689
Accrued research costs	720	633
Accrued expenses and other current liabilities	1,871	886
Operating lease liabilities, current	4,045	5,482
Total current liabilities	13,043	12,143
Non-current operating lease liabilities	1,749	5,794
Other liabilities	10,819	0
Total liabilities	25,611	17,937
Commitments and contingencies (Note 7)
Stockholders’ equity (deficit):
Preferred stock, $0.00001 par value, 10,000,000 and zero shares authorized as of December 31, 2021 and 2020, respectively; and no shares issued and outstanding as of December 31, 2021 and 2020, respectively;	0	0
Common stock, $0.00001 par value, 300,000,000 and 80,000,000 shares authorized as of December 31, 2021 and 2020, respectively; 58,010,823 and 10,279,102 shares issued and outstanding as of December 31, 2021 and 2020, respectively	1	1
Additional paid-in-capital	539,741	525,400
Accumulated other comprehensive loss	(1,048)	0
Accumulated deficit	(242,403)	(141,351)
Total stockholders’ equity (deficit)	296,291	384,050
Total liabilities, redeemable convertible preferred stock, and stockholders’ equity (deficit)	$ 321,902	$ 401,987