Condensed Statements of Cash Flows - USD ($)	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Operating Activities
Net loss	$ (5,852,000)	$ (398,000)
Adjustments to reconcile net loss to net cash used in operating activities
Depreciation	11,328	0
Non-cash lease expense	81,000
Stock-based compensation expense	919,000
Changes in operating assets and liabilities:
Prepaid expenses & other current assets	(292,000)	17,000
Other assets	12,000
Accounts payable	41,000	70,000
Accrued liabilities	1,091,000	59,000
Lease liabilities	(86,000)
Net cash used in operating activities	(4,075,000)	(252,000)
Investing Activities
Purchase of property and equipment	(67,000)
Purchase of short-term and long-term investments	(38,443,000)
Net cash used in investing activities	(38,510,000)
Financing Activities
Proceeds from issuance of common stock		50,000
Series A financing costs incurred	(3,000)
Net cash (used in) provided by financing activities	(3,000)	50,000
Net decrease in cash, cash equivalents, and restricted cash	(42,588,000)	(202,000)
Cash, cash equivalents, and restricted cash at the beginning of the period	61,695,000	239,000
Cash, cash equivalents, and restricted cash at the end of the period	19,107,000	37,000
Non-cash financing and investing activities:
Acquisition of fixed assets	29,000
Unpaid deferred offering costs	1,226,000
Change in unrealized gain/loss on investments	(15,000)
Reconciliation of cash and cash equivalents and restricted cash:
Cash and cash equivalents	18,891,000	37,000
Restricted cash	216,000
Cash, cash equivalents, and restricted cash at the end of the period	$ 19,107,000	$ 37,000