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Helio Vision Acquisition - Additional Information (Detail) - Helio Vision Inc [Member] - USD ($) $ in Millions |  | 9 Months Ended
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Jan. 28, 2019 | Sep. 30, 2024
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 |
Proliferative Vitreoretinopathy [Member] | Tax Gross-up Payment in Event of Change of Control or Divesture [Member] |  |
Business Acquisition [Line Items] |  |
Merger Agreement, Description |  | the Helio Product Candidate and related intellectual property rights may revert back to an entity designated by the representative of the former Helio stockholders. 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.
Proliferative Vitreoretinopathy [Member] | Tax Gross-up Payment in Event of Change of Control or Divesture [Member] | Maximum [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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