Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 45,681	$ 43,459
Marketable securities	115,035	71,194
Prepaid expenses and other assets, current	11,307	11,045
Total current assets	172,023	125,698
Restricted cash, noncurrent	0	293
Property and equipment, net	92	51
Operating lease right-of-use assets	2,949	5,173
Prepaid expenses and other assets, noncurrent	471	162
Non-marketable equity securities	11	58
Total assets	175,546	131,435
Current liabilities:
Accounts payable	11,118	11,991
Operating lease liabilities	2,436	2,645
Accrued expenses and other liabilities, current	8,749	10,964
Total current liabilities	22,303	25,600
Long-term debt	49,877	24,810
Operating lease liabilities, noncurrent	1,395	3,831
Accrued expenses and other liabilities, noncurrent	286	286
Total liabilities	73,861	54,527
Stockholders' equity
Preferred stock, $0.001 par value; 10,000,000 authorized as of December 31, 2023 and December 31, 2022; no shares issued and outstanding as of December 31, 2023 and December 31, 2022	0	0
Class A common stock, $0.001 par value; 500,000,000 shares authorized as of December 31, 2023 and December 31, 2022; 44,452,161 and 27,800,861 shares issued and outstanding as ofDecember 31, 2023 and December 31, 2022, respectively	44	28
Additional paid-in capital	410,492	290,216
Accumulated other comprehensive gain (loss)	251	(224)
Accumulated deficit	(309,102)	(213,112)
Total stockholders' equity	101,685	76,908
Total liabilities and stockholders' equity	$ 175,546	$ 131,435