Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Cash flows from operating activities
Net loss	$ (16,832)	$ (13,828)
Adjustments to reconcile net loss to net cash used in operating activities:
Stock-based compensation expense	4,415	2,905
Depreciation and amortization	188	111
Non-cash operating lease expense	260	157
Amortization of debt discount and issuance costs	58	0
Net accretion and amortization of investments in marketable securities	(699)	0
Changes in operating assets and liabilities:
Prepaid expenses and other current assets	316	721
Accounts payable	76	78
Accrued expenses and other current liabilities	323	653
Operating lease liabilities	(259)	(157)
Net cash used in operating activities	(12,154)	(9,360)
Cash flows from investing activities
Purchases of marketable securities	(18,629)	0
Proceeds from maturities of marketable securities	23,000	0
Purchases of property and equipment	(248)	(254)
Net cash used in investing activities	4,123	(254)
Cash flows from financing activities
Proceeds from employee stock purchase plan	132	0
Tax withholdings paid on behalf of employees for net share settlement	(124)	0
Net cash provided by financing activities	8	0
Net decrease in cash, cash equivalents and restricted cash equivalents	(8,023)	(9,614)
Cash, cash equivalents and restricted cash equivalents, Beginning Balance	27,507	117,453
Cash, cash equivalents and restricted cash equivalents, end of period	19,484	107,839
Supplemental disclosures of non-cash investing and financing activities
Property and equipment purchases included in accounts payable and accrued expenses and other current liabilities	85	135
Right- Of- use asset obtained in exchange for operating lease liabilities	578	0
Interest income receivable included in prepaid expenses	125	0
Exchanges of Paired Interests and non-corresponding Class A Units of Rani LLC	$ 0	$ 73,160