Income Taxes - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2025	Mar. 31, 2024
Income Taxes
Company's effective tax rate	0.00%	0.00%
Percentage of eligible annual research and development credit for cash	65.00%	65.00%
Benefit from income taxes	$ 0	$ 0

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

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+ Details