Segment Information - Schedule of Assets (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Segment Reporting Information [Line Items]
Total assets	$ 23,817	$ 26,006
Corporate, Non-Segment
Segment Reporting Information [Line Items]
Total assets	1,495	3,587
Sell-side advertising | Operating Segments
Segment Reporting Information [Line Items]
Total assets	3,473	3,755
Buy-side advertising | Operating Segments
Segment Reporting Information [Line Items]
Total assets	$ 18,849	$ 18,664