Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Cash flows from operating activities:
Net loss	$ (47,498)	$ (34,425)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation expense	3,653	2,186
Non-cash interest expense related to note payable	44	0
Stock-based compensation	3,254	1,732
Changes in current assets and liabilities:
Prepaid expenses and other assets	(235)	(3,037)
Prepaid rent	(2,165)	0
Right-of-use assets and lease liabilities, net	(94)	20
Accounts payable	114	2,472
Accrued expense and other liabilities	(591)	1,387
Deferred revenue	(6,975)	(4,632)
Net cash used in operating activities	(50,493)	(34,297)
Cash flows from investing activities:
Purchases of property and equipment	(2,848)	(7,730)
Net cash used in investing activities	(2,848)	(7,730)
Cash flows from financing activities:
Proceeds from issuance of convertible preferred stock, net of issuance costs	0	99,730
Proceeds from exercise of stock options	124	171
Proceeds from initial public offering, net of issuance costs	0	89,647
Proceeds from issuance of term loan, net of issuance costs paid to lender	29,354	0
Payments of debt issuance costs	(230)	0
Net cash provided by financing activities	29,248	189,548
Net (decrease) increase in cash, cash equivalents and restricted cash	(24,093)	147,521
Cash, cash equivalents, and restricted cash - beginning of period	166,436	35,386
Cash, cash equivalents, and restricted cash - end of period	142,343	182,907
Summary of cash, cash equivalents and restricted cash reported within the consolidated balance sheets:
Cash and cash equivalents	137,306	182,312
Restricted cash	5,037	595
Total cash, cash equivalents, and restricted cash	142,343	182,907
Supplemental cash flow information:
Purchase of property and equipment in accounts payable and accrued liabilities	572	1,427
Conversion of convertible preferred stock to common stock upon closing of initial public offering	0	159,411
Debt issuance costs not yet paid	$ 94	$ 0