Condensed Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Cash flows from operating activities:
Net loss	$ (29,110)	$ (16,859)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	327	637
Amortization of right-of-use asset	44
Share-based compensation	3,977	2,229
Deferred rent		(8)
Forgiveness of PPP Loan		(500)
Changes in operating assets and liabilities:
Prepaid expenses and other assets	5,236	(1,819)
Accounts payable	62	2,088
Accrued expenses and other current liabilities	(2,471)	2,811
Other long-term liabilities	(72)
Net cash used in operating activities	(22,007)	(11,421)
Cash flows from investing activities:
Purchases of property and equipment	(176)	(65)
Net cash used in investing activities	(176)	(65)
Cash flows from financing activities:
Proceeds from sale of common stock and common stock warrants		27,225
Payment from issuance costs related to the sale of common stock and common stock warrants		(559)
Proceeds from exercise of stock options	32	74
Proceeds from exercise of common stock warrants		1,338
Payment of offering costs		(18)
Payment of equipment loan payable		(97)
Net cash provided by financing activities	32	27,963
Net (decrease) increase in cash and cash equivalents and restricted cash	(22,151)	16,477
Cash and cash equivalents and restricted cash at beginning of period	49,329	39,866
Cash and cash equivalents and restricted cash at end of period	27,178	56,343
Supplemental disclosures of cash flow information:
Operating lease right-of-use asset and lease liability recorded upon adoption of ASC 842	$ 215
Offering costs included in accrued expenses and other current liabilities		289
Purchases of property and equipment included in accounts payable		$ 2