Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 43,459	$ 79,674
Marketable securities	71,194	0
Prepaid expenses and other current assets, current	11,045	2,863
Total current assets	125,698	82,537
Restricted cash, noncurrent	293	293
Property and equipment, net	51	0
Operating lease right-of-use assets	5,173	0
Prepaid expenses and other current assets, noncurrent	162	51
Non-marketable equity securities	58	867
Total assets	131,435	83,748
Current liabilities:
Accounts payable	11,991	1,385
Operating lease liabilities	2,645	0
Restructuring liability, current	0	377
Accrued expenses and other current liabilities	10,964	5,928
Total current liabilities	25,600	7,690
Long-term debt	24,810	4,923
Operating lease liabilities, noncurrent	3,831	0
Restructuring liability, noncurrent	0	1,257
Accrued and other noncurrent liabilities	286	286
Total liabilities	54,527	14,156
Stockholders' equity
Preferred stock, $0.001 par value; 10,000,000 authorized as of December 30, 2022 and December 31, 2021; no shares issued and outstanding as of December 30, 2022 and December 31, 2021	0	0
Additional paid-in capital	290,216	193,627
Accumulated other comprehensive loss	(224)	0
Accumulated deficit	(213,112)	(124,056)
Total stockholders' equity	76,908	69,592
Total liabilities and stockholders' equity	131,435	83,748
Common Class A [Member]
Stockholders' equity
Common Stock	28	21
Common Class B Non Voting [Member]
Stockholders' equity
Common Stock	$ 0	$ 0