Balance Sheet Components - Narrative (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024	Dec. 31, 2024
Impairment Effects on Earnings Per Share [Line Items]
Accounts receivables, net	$ 26,201,000		$ 26,201,000		$ 31,115,000
Employee retention credits	2,468,000		2,468,000		$ 2,468,000
Depreciation expense	15,000	$ 56,000	87,000	$ 186,000
Impairment charges for property and equipment	0	0	0	0
Amortization expense of intangible asset			6,389,000	9,550,000
Amortization of acquisition costs	862,000	849,000	2,561,000	2,619,000
Continuing operations
Impairment Effects on Earnings Per Share [Line Items]
Impairment of intangible assets	0	0	0	1,198,000
Platform development
Impairment Effects on Earnings Per Share [Line Items]
Amortization expense of intangible asset	1,444,000	1,474,000	3,828,000	4,530,000
Impairment charges	$ 0	$ 0	$ 0	0
Advertiser relationships | Continuing operations
Impairment Effects on Earnings Per Share [Line Items]
Impairment of intangible assets				608,000
Brand name | Continuing operations
Impairment Effects on Earnings Per Share [Line Items]
Impairment of intangible assets				$ 590,000