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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 |

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