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NONCONTROLLING INTEREST - Schedule of effect of changes in ownership interest in subsidiary (Detail) - USD ($) $ in Thousands | 2 Months Ended | 3 Months Ended
--- | --- | ---
Jul. 31, 2024 | Jul. 31, 2025 | Jul. 31, 2024
NONCONTROLLING INTEREST |  |  |
Net Income (Loss) Attributable to Immersion Stockholders |  | $ (930) | $ 27,077
Barnes & Noble Education, Inc. |  |  |
NONCONTROLLING INTEREST |  |  |
Net Income (Loss) Attributable to Immersion Stockholders | $ 27,077 | (930) |
Increase (decrease) in additional paid-in capital as a result of common stock issuances pursuant to vesting of equity awards, and sales of common stock | 55,520 |  |
Total effect of changes in ownership interest on equity attributable to Immersion stockholders | $ 82,597 | $ (930) |

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