Condensed Consolidated Statements of Cash Flows - USD ($)	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Operating activities:
Net loss	$ (26,606,000)	$ (20,523,000)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation expense	421,000	272,000
Stock-based compensation expense	1,133,000	827,000
Non-cash lease expense	854,000	589,000
Non-cash interest and other expense, net	267,000	516,000
Changes in operating assets and liabilities:
Prepaid expenses and other assets	(336,000)	190,000
Accounts payable	(89,000)	1,130,000
Accrued expenses and other liabilities	946,000	(363,000)
Interest payable	27,000	89,000
Operating lease liabilities	(1,210,000)	(699,000)
Cash used in operating activities	(24,593,000)	(17,972,000)
Investing activities:
Purchase of property and equipment	(206,000)	(108,000)
Repayment of note receivable	0	38,000
Cash used in investing activities	(206,000)	(70,000)
Financing activities:
Proceeds from the issuance of common stock, net of issuance costs	8,849,000	33,474,000
Proceeds from issuance of pre-funded warrants, net of issuance costs	7,280,000	0
Borrowings on loan payable	0	15,000,000
Payment of loan issuance costs	0	(93,000)
Cash acquired in connection with reverse recapitalization	0	17,045,000
Payment of reverse recapitalization transaction costs	0	(6,420,000)
Proceeds from option exercises	0	66,000
Cash provided by financing activities	16,129,000	59,072,000
Effect of exchange rate changes on cash	0	(89,000)
Net (decrease) increase in cash and cash equivalents	(8,670,000)	40,941,000
Cash, cash equivalents and restricted cash at beginning of period	51,829,000	18,820,000
Cash, cash equivalents and restricted cash at end of period	43,159,000	59,761,000
Supplemental disclosure of cash flow information:
Cash paid for interest	893,000	682,000
Non-cash operating activities:
Lease modification	884,000	0
Non-cash investing activities:
Property and equipment in accounts payable	4,000	0
Non-cash financing activities:
Vesting of early exercise stock options	$ 0	$ 135,000