CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 155,579	$ 42,299
Short-term investments	268,971	154,666
Prepaid expenses and other current assets	6,521	2,747
Unbilled revenue - related party	102	451
Total current assets	431,173	200,163
Property and equipment, net	1,326	375
Operating lease right-of-use asset	1,610	1,680
Other assets	982	1,491
Total assets	435,091	203,709
Current liabilities:
Accounts payable	14,234	2,329
Accrued liabilities	18,827	11,018
Current portion of deferred revenue - related party	288	289
Total current liabilities	33,349	13,636
Long-term debt, net	4,645	0
Deferred revenue - related party	861	1,149
Other liabilities	1,172	1,208
Total liabilities	40,027	15,993
Commitments and contingencies
Stockholders’ equity:
Common stock, $0.01 par value; 200,000,000 shares authorized; 41,305,947 and 23,924,004 shares issued and outstanding as of December 31, 2022 and 2021, respectively	414	239
Additional paid-in capital	741,067	412,101
Accumulated other comprehensive loss	(390)	(157)
Accumulated deficit	(488,174)	(358,300)
Total stockholders’ equity	395,064	187,716
Total liabilities and stockholders’ equity	435,091	203,709
Series A Preferred Stock
Stockholders’ equity:
Preferred stock	85,470	118,164
Series B Preferred Stock
Stockholders’ equity:
Preferred stock	$ 56,677	$ 15,669