NONCONTROLLING INTEREST - Schedule of effect of changes in ownership interest in subsidiary (Detail) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended		5 Months Ended	6 Months Ended
	Jul. 31, 2024	Oct. 31, 2024	Jun. 30, 2023	Oct. 31, 2024	Oct. 31, 2024	Jun. 30, 2023
NONCONTROLLING INTEREST
Net Income (Loss) Attributable to Parent	$ 323	$ 27,157	$ 7,028		$ 54,317	$ 15,306
Barnes & Noble Education, Inc.
NONCONTROLLING INTEREST
Net Income (Loss) Attributable to Parent	(4,891)	20,171		$ 9,480
Transfers from (to) non-controlling interests:
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	0	(42)		56,410
Total effect of changes in ownership interest on equity attributable to Immersion stockholders	$ (4,891)	$ 20,129		$ 65,890