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Income Taxes - Reconciliation of income tax provision (benefit) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Income Taxes
Federal provision (benefit) for income taxes	$ 0	$ 0
State provision (benefit) for income taxes	$ 0	$ 0
Reconciliation of income tax provision (benefit) computed at the statutory federal income tax rate to income taxes
Federal income tax benefit at statutory rate	21.00%	21.00%
State and local tax, net of federal benefit	4.00%	3.10%
State and local tax, change in rates	0.00%	(3.50%)
Permanent differences	(1.90%)	(0.40%)
Research and development credit	4.30%	4.50%
Stock-based compensation	0.00%	0.40%
Change in fair value of warrants	1.50%	(4.40%)
Change in valuation allowance	(28.90%)	(20.70%)
Effective income tax rate	0.00%	0.00%

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

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