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	$ (14,260)	$ (2,207)
Adjustments to reconcile net loss to net cash used in operating activities
Depreciation and amortization expense	274	216
Non-cash lease expense	99	56
Stock-based compensation expense	1,267	778
Change in fair value of common stock warrant liability	575	(6,050)
Change in fair value of earnout liability	764	(4,593)
Changes in operating assets and liabilities:
Prepaid expenses and other current assets	(290)	(269)
Other receivables	663
Other non-current assets	34	34
Accounts payable	2,078	(2,453)
Accrued expenses and other current liabilities	(1,317)	386
Operating lease liability	(206)	(112)
Other non-current liabilities	(16)	1
Net cash used in operating activities	(10,335)	(14,213)
Cash flows used in investing activities
Purchases of property and equipment	(26)	(29)
Net cash used in investing activities	(26)	(29)
Cash flows from financing activities
Proceeds from issuance of common stock through ATM and underwritten offerings, net	101,479
Proceeds from exercise of common stock options	32	13
Net cash provided by financing activities	101,511	13
Net increase (decrease) in cash, cash equivalents and restricted cash	91,150	(14,229)
Cash, cash equivalents and restricted cash
Cash, cash equivalents and restricted cash at beginning of the period	38,667	85,046
Cash, cash equivalents and restricted cash at end of the period	129,817	70,817
Supplemental and non-cash items reconciliations:
Reclassification of common stock warrant liability to equity	725
Unpaid offerings issuance costs included in accrued expenses and other current liabilities	40
Vesting of founders’ restricted stock	$ 6	3
Right-of-use asset obtained in exchange for lease liabilities		$ 1,131