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Helio Vision Acquisition - Additional Information (Detail) - Helio Vision Inc [Member] - USD ($) $ in Millions |  | 9 Months Ended
--- | --- | ---
Jan. 28, 2019 | Sep. 30, 2025
Business Acquisition [Line Items] |  |
Business combination, stock issued | 1,407,006 |
Common Stock after FDA Approval prior to 10th Anniversary [Member] |  |
Business Acquisition [Line Items] |  |
Business combination, contingent consideration liability | $ 10.0 |
Common Stock after FDA Approval Prior to 12th Anniversary [Member] |  |
Business Acquisition [Line Items] |  |
Business combination, contingent consideration liability | $ 2.5 |
Common Stock after FDA Approval Prior to 12th Anniversary [Member] | Maximum [Member] |  |
Business Acquisition [Line Items] |  |
Business combination, contingent consideration stock to be issued | 5,248,885 |
Tax Gross-up Payment in Event of Change of Control or Divesture [Member] | Proliferative Vitreoretinopathy [Member] |  |
Business Acquisition [Line Items] |  |
Merger Agreement Description |  | the Helio Product Candidate and related intellectual property rights may revert to an entity designated by the representative of the former Helio stockholders, if the agreement is terminated. Additionally, in the event of certain change of control or divestitures by the Company, certain former convertible noteholders of Helio will be entitled to a tax gross-up payment in an amount not to exceed $1.0 million in the aggregate.
Tax Gross-up Payment in Event of Change of Control or Divesture [Member] | Maximum [Member] | Proliferative Vitreoretinopathy [Member] |  |
Business Acquisition [Line Items] |  |
Business combination, contingent consideration liability |  | $ 1.0
Founders [Member] |  |
Business Acquisition [Line Items] |  |
Business combination, stock issued | 246,562 |

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