REVENUE RECOGNITION - SCHEDULE OF REVENUES DISAGGREGATION (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Disaggregation of Revenue [Line Items]
Total revenue	$ 15,289	$ 5,244	$ 29,403	$ 14,420
Digital publishing
Disaggregation of Revenue [Line Items]
Total revenue	1,037	2,513	3,442	6,500
Advertising technology
Disaggregation of Revenue [Line Items]
Total revenue	3,643	2,731	6,147	7,920
Consumer insights
Disaggregation of Revenue [Line Items]
Total revenue	8,015	0	14,898	0
Creative services
Disaggregation of Revenue [Line Items]
Total revenue	1,801	0	3,486	0
Media services
Disaggregation of Revenue [Line Items]
Total revenue	$ 793	$ 0	$ 1,430	$ 0