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Intangible Assets - Schedule of Carrying Amounts and Accumulated Amortization of Intangible Assets (Detail) - USD ($) $ in Thousands | Jun. 30, 2025 | Dec. 31, 2024
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Intangible assets with finite lives: |  |
Gross carrying amount | $ 5,626 | $ 701
Accumulated amortization | (664) | (428)
Intangible assets, net | 4,962 | 273
Technological know-how |  |
Intangible assets with finite lives: |  |
Gross carrying amount | 425 | 423
Accumulated amortization | (313) | (303)
Intangible assets, net | 112 | 120
Computer software |  |
Intangible assets with finite lives: |  |
Gross carrying amount | 312 | 278
Accumulated amortization | (148) | (125)
Intangible assets, net | 164 | $ 153
Technology rights |  |
Intangible assets with finite lives: |  |
Gross carrying amount | 4,889 |
Accumulated amortization | (203) |
Intangible assets, net | $ 4,686 |

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