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Collaboration Agreements, License Agreement and Revenues - Eluminex Agreement - Additional Information 2 (Detail) - USD ($) $ in Thousands | 1 Months Ended | 3 Months Ended | 6 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | --- | ---
Jul. 31, 2021 | Jun. 30, 2025 | Jun. 30, 2024 | Mar. 31, 2022 | Jun. 30, 2025 | Jun. 30, 2024 | Dec. 31, 2023 | Apr. 30, 2023 | Dec. 31, 2022
Revenue Recognition, Milestone Method [Line Items] |  |  |  |  |  |  |  |  |
Total revenue |  | $ 1,348 | $ 998 |  | $ 4,088 | $ 26,363 |  |  |
Eluminex [Member] |  |  |  |  |  |  |  |  |
Revenue Recognition, Milestone Method [Line Items] |  |  |  |  |  |  |  |  |
Aggregate consideration received for milestone and upfront payments |  |  |  |  |  |  |  |  | $ 8,000
Future manufacturing clinical regulatory and commercial milestone payments | $ 64,000 |  |  |  |  |  |  |  |
Commercial milestone | $ 36,000 |  |  |  |  |  |  |  |
Additional upfront payments |  |  |  |  |  |  |  | $ 1,500 |
Milestone Payments |  |  |  |  |  |  | $ 6,000 |  |
Upfront payment |  |  |  |  |  |  | $ 1,500 |  |
Total revenue |  | $ 0 | $ 0 |  | $ 0 | $ 0 |  |  |
Eluminex [Member] | Cornea Products [Member] |  |  |  |  |  |  |  |  |
Revenue Recognition, Milestone Method [Line Items] |  |  |  |  |  |  |  |  |
Percentage of product manufacturing costs until manufacturing technology fully transferred |  |  |  | 10.00% |  |  |  |  |

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