Fair Value of Financial Instruments - Schedule of Company's Classified Assets Measured at Fair Value on Recurring Basis (Detail) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Liabilities:
Purchase warrant laibility	$ 2,566	$ 4,874
Recurring
Assets:
Total assets	14,668	18,860
Liabilities:
Purchase warrant laibility	2,566	4,874
Total liability	2,566	4,874
Recurring \| Money market funds
Assets:
Estimated Fair Value	14,668	18,860
Recurring \| Quoted Prices in Active Markets for Identical Assets (Level 1)
Assets:
Total assets	14,668	18,860
Liabilities:
Purchase warrant laibility	0	0
Total liability	0	0
Recurring \| Quoted Prices in Active Markets for Identical Assets (Level 1) \| Money market funds
Assets:
Estimated Fair Value	14,668	18,860
Recurring \| Significant Other Observable Inputs (Level 2)
Assets:
Total assets	0	0
Liabilities:
Purchase warrant laibility	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:
Purchase warrant laibility	2,566	4,874
Total liability	2,566	4,874
Recurring \| Significant Unobservable Inputs (Level 3) \| Money market funds
Assets:
Estimated Fair Value	$ 0	$ 0