Segment Information - Schedule of Operating Income (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Segment Reporting Information [Line Items]
Total operating loss	$ (2,807)	$ (141)
Loss before taxes	(4,019)	(1,408)
Corporate, Non-Segment
Segment Reporting Information [Line Items]
Total operating loss	(4,062)	(2,924)
Corporate other expense	(1,212)	(1,267)
Sell-side advertising | Operating Segments
Segment Reporting Information [Line Items]
Total operating loss	962	1,278
Buy-side advertising | Operating Segments
Segment Reporting Information [Line Items]
Total operating loss	$ 293	$ 1,505