Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 241,179	$ 85,262
Short-term investments	164,359	257,007
Prepaid expenses and other current assets	7,753	5,605
Total current assets	413,291	347,874
Property and equipment, net	213	20
Operating lease right-of-use asset	442	699
Deposits and other long-term assets	233	469
Total assets	414,179	349,062
Current Liabilities:
Accounts payable	3,391	260
Accrued expenses and other current liabilities	20,647	15,950
Current portion of operating lease liabilities	437	405
Total current liabilities	24,475	16,615
Long-term portion of lease liabilities	77	408
Total liabilities	24,552	17,023
Commitments and contingencies (Note 6)
Stockholders' equity
Common stock, $0.001 par value; 500,000,000 shares authorized as of September 30, 2023 and December 31, 2022; 87,042,933 and 73,458,176 shares issued and outstanding as of September 30, 2023 and December 31, 2022, respectively	9	7
Additional paid-in-capital	793,699	601,771
Accumulated other comprehensive loss	(7)	(71)
Accumulated deficit	(404,074)	(269,668)
Total stockholders' equity	389,627	332,039
Total liabilities and stockholders' equity	$ 414,179	$ 349,062