SEGMENT REPORTING - Summay of financial information for reportable segments (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Segment Reporting Information [Line Items]
Total revenues	$ 99,424	$ 6,983	$ 143,271	$ 14,057
Total operating expenses	33,212	3,870	60,445	7,685
Operating income	25,406	3,113	42,020	6,372
Immersion
Segment Reporting Information [Line Items]
Total revenues	52,403	6,983	96,250	14,057
Total operating expenses	14,175	3,870	41,408	7,685
Operating income	38,228	3,113	54,842	6,372
Barnes & Noble Education
Segment Reporting Information [Line Items]
Total revenues	47,021	0	47,021	0
Total cost of sales (excludes depreciation and amortization expense)	40,806	0	40,806	0
Total operating expenses	19,037	0	19,037	0
Operating income	$ (12,822)	$ 0	$ (12,822)	$ 0