Condensed Statements of Cash Flows - USD ($)	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Operating Activities
Net loss	$ (16,366,000)	$ (5,852,000)
Adjustments to reconcile net loss to net cash used in operating activities
Depreciation expense	166,000	11,000
Non-cash operating lease expense	140,000	81,000
Stock-based compensation expense	2,330,000	919,000
Net amortization of premiums and accretion of discounts on investments	100,000
Changes in operating assets and liabilities:
Prepaid expenses and other current assets	828,000	(292,000)
Other assets	(369,000)	12,000
Accounts payable	1,195,000	41,000
Accrued expenses and other current liabilities.	2,117,000	1,091,000
Operating lease liabilities	(135,000)	(86,000)
Net cash used in operating activities	(9,994,000)	(4,075,000)
Investing Activities
Purchase of property and equipment	(95,000)	(67,000)
Purchase of investments		(38,443,000)
Maturities of investments	20,537,000
Net cash provided by (used in) investing activities	20,442,000	(38,510,000)
Financing Activities
Series A financing costs incurred		(3,000)
Proceeds from stock option exercise	31,000
Net cash provided by financing activities	31,000	(3,000)
Net increase (decrease) in cash, cash equivalents, and restricted cash	10,479,000	(42,588,000)
Cash, cash equivalents, and restricted cash at the beginning of the period	146,087,000	61,695,000
Cash, cash equivalents, and restricted cash at the end of the period	156,566,000	19,107,000
Non-cash financing and investing activities:
Acquisition of property and equipment in accounts payable and accrued liabilities		29,000
Unpaid deferred offering costs		1,226,000
Reconciliation of cash and cash equivalents and restricted cash:
Cash and cash equivalents	156,215,000	18,891,000
Restricted cash	351,000	216,000
Cash, cash equivalents, and restricted cash at the end of the period	$ 156,566,000	$ 19,107,000