Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
CURRENT ASSETS:
Cash and cash equivalents	$ 115,826	$ 59,687
Marketable securities	203,495
Unbilled receivable	2,000	2,000
Restricted cash, current	150
Prepaid expenses and other current assets	2,440	364
Total current assets	323,911	62,051
Property and equipment, net	1,645	1,656
Restricted cash	198	149
Other assets		5
TOTAL ASSETS	325,754	63,861
CURRENT LIABILITIES:
Accounts payable	1,710	5,086
Accrued expenses and other liabilities	8,691	2,981
Capital lease obligations, current portion		98
Deferred revenue, current portion		1,125
Term loan, current portion	480
Total current liabilities	10,881	9,290
Deferred rent, noncurrent portion	8	28
Term loan, noncurrent	1,916
Warrant liability		314
TOTAL LIABILITIES	12,805	9,632
Commitments and Contingencies (Note 6)
Convertible preferred units; no par value; no units and 61,498,146 units authorized as of December 31, 2021 and 2020, respectively; no units and 12,690,540 units issued and outstanding as of December 31, 2021 and 2020, respectively		107,374
STOCKHOLDERS’ EQUITY/MEMBERS’ (DEFICIT):
Preferred stock; $0.0001 par value; 10,000,000 shares and no shares authorized as of December 31, 2021 and 2020, respectively; no shares issued and outstanding
Additional paid-in capital	416,710	1,603
Accumulated deficit	(103,707)	(54,748)
Accumulated other comprehensive loss	(58)
TOTAL STOCKHOLDERS’ EQUITY/MEMBERS’ (DEFICIT)	312,949	(53,145)
TOTAL LIABILITIES, CONVERTIBLE PREFERRED UNITS, AND STOCKHOLDERS’ EQUITY/MEMBERS’ (DEFICIT)	325,754	$ 63,861
Common Stock Class Undefined
STOCKHOLDERS’ EQUITY/MEMBERS’ (DEFICIT):
Common units, no par value; no units and 89,000,000 units authorized as of December 31, 2021 and 2020, respectively; no units and 2,248,687 units issued and outstanding as of December 31, 2021 and 2020, respectively	$ 4