NONCONTROLLING INTEREST - Schedule of ownership interest in subsidiary (Detail) - Barnes & Noble Education, Inc. - shares |
Apr. 30, 2026 |
Apr. 30, 2025 |
|---|---|---|
| NONCONTROLLING INTEREST | ||
| Number shares by noncontrolling interest | 23,220,964 | 22,845,101 |
| Total BNED Common Stock outstanding | 34,429,710 | 34,053,847 |
| Total percentage of ownership | 100.00% | 100.00% |
| Total Stockholders' Equity Attributable to Immersion Stockholder | ||
| NONCONTROLLING INTEREST | ||
| Number of shares by Immersion | 11,208,746 | 11,208,746 |
| Direct Ownership [Member] | ||
| NONCONTROLLING INTEREST | ||
| Percentage of ownership by noncontrolling interests | 67.40% | 67.10% |
| Direct Ownership [Member] | Total Stockholders' Equity Attributable to Immersion Stockholder | ||
| NONCONTROLLING INTEREST | ||
| Percentage of ownership by Immersion | 32.60% | 32.90% |