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Income Taxes - Reconciliation of income taxes (Details) - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Income Tax Disclosure [Abstract]
Expected income tax benefit at federal statutory tax rate	$ (34,361,000)	$ (27,026,000)	$ (12,138,000)
State income taxes, net of federal benefit	(1,912,000)	(800,000)	(142,000)
Permanent items	56,000	27,000	17,000
Equity compensation	2,840,000	(297,000)	(708,000)
Non-deductible compensation	3,693,000	2,060,000	0
Research credits	(6,213,000)	(3,319,000)	8,087,000
Other	109,000	(6,000)	42,000
Change in the valuation allowance	35,784,000	29,385,000	4,842,000
Income tax (benefit) expense	$ (4,000)	$ 24,000	$ 0

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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