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Preferred Stock and Stockholders' Equity - Schedule of Warrants to Purchase Common Stock Activity (Detail) - Common Stock Warrants and Pre-Funded Warrants [Member]	9 Months Ended
	Sep. 30, 2025 shares
Class Of Warrant Or Right [Line Items]
Beginning Balance	33,052,744
Issued	0
Exercised	0
Cancelled/Expired	(626,933)
Ending Balance	32,425,811
Common Warrants [Member]
Class Of Warrant Or Right [Line Items]
Beginning Balance	15,778,451
Issued	0
Exercised	0
Cancelled/Expired	(626,933)
Ending Balance	15,151,518
Pre-Funded Warrants [Member]
Class Of Warrant Or Right [Line Items]
Beginning Balance	17,274,293
Issued	0
Exercised	0
Cancelled/Expired	0
Ending Balance	17,274,293

X

- Definition

Class of warrant or right number of warrants or rights cancelled or expired.

+ References

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+ Details

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X

- Definition

Class of warrant or right number of warrants exercised.

+ References

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+ Details

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X

- Definition

Class of warrant or right number of warrants or rights issued.

+ References

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

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+ Details

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X

- Definition

Number of warrants or rights outstanding.

+ References

No definition available.

+ Details

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X

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X

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X

- Details

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