Fair Value of Financial Instruments - Schedule of Company's Classified Assets Measured at Fair Value on Recurring Basis (Detail) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Liabilities, Fair Value Disclosure [Abstract]
Purchase warrant liability	$ 694	$ 2,566
Recurring
Assets:
Total assets	14,105	14,668
Liabilities, Fair Value Disclosure [Abstract]
Purchase warrant liability	694	2,566
Total liability	694	2,566
Recurring \| Money market funds
Assets:
Estimated Fair Value	14,105	14,668
Recurring \| Quoted Prices in Active Markets for Identical Assets (Level 1)
Assets:
Total assets	14,105	14,668
Liabilities, Fair Value Disclosure [Abstract]
Purchase warrant liability	0	0
Total liability	0	0
Recurring \| Quoted Prices in Active Markets for Identical Assets (Level 1) \| Money market funds
Assets:
Estimated Fair Value	14,105	14,668
Recurring \| Significant Other Observable Inputs (Level 2)
Assets:
Total assets	0	0
Liabilities, Fair Value Disclosure [Abstract]
Purchase warrant liability	0	0
Total liability	0	0
Recurring \| Significant Other Observable Inputs (Level 2) \| Money market funds
Assets:
Estimated Fair Value	0	0
Recurring \| Significant Unobservable Inputs (Level 3)
Assets:
Total assets	0	0
Liabilities, Fair Value Disclosure [Abstract]
Purchase warrant liability	694	2,566
Total liability	694	2,566
Recurring \| Significant Unobservable Inputs (Level 3) \| Money market funds
Assets:
Estimated Fair Value	$ 0	$ 0