NONCONTROLLING INTEREST - Schedule of ownership interest in subsidiary (Detail) - Barnes & Noble Education, Inc.	Oct. 31, 2024 shares
NONCONTROLLING INTEREST
Total Barnes & Noble Education common stock outstanding	27,286,531
Total percentage of ownership	100.00%
Total Stockholders' Equity Attributable to Immersion Stockholder
NONCONTROLLING INTEREST
Number of Barnes & Noble Education Common Stock held by Immersion	11,006,701
Noncontrolling Interest
NONCONTROLLING INTEREST
Number of Barnes & Noble Education Common Stock held by noncontrolling interest	16,279,830
Direct Ownership [Member] \| Total Stockholders' Equity Attributable to Immersion Stockholder
NONCONTROLLING INTEREST
Percentage of Ownership of Barnes & Noble Education common stock held by Immersion	40.30%
Direct Ownership [Member] \| Noncontrolling Interest
NONCONTROLLING INTEREST
Percentage of Ownership Barnes & Noble Education common stock held by noncontrolling interest	59.70%

The number of shares of common stock outstanding of subsidiary.

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The number of shares of common stock outstanding of subsidiary held by noncontrolling interest.

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The number of shares of common stock outstanding of subsidiary held by parent.

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The percentage of common shares outstanding of subsidiary.

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The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

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The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

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