| Line Item | Dec 31, 2025 | Dec 31, 2024 | Dec 31, 2023 | Dec 31, 2022 | Dec 31, 2021 | Dec 31, 2020 | Dec 31, 2019 | Dec 31, 2018 | Dec 31, 2017 |
|---|---|---|---|---|---|---|---|---|---|
| Revenue | |||||||||
| Total Revenue | |||||||||
| YoY growth | -11.7% | ||||||||
| Costs and Expenses | |||||||||
| Cost of revenue | |||||||||
| Traffic acquisition costs and media buy | |||||||||
| Research and Development Expense | |||||||||
| Selling, General and Administrative Expense | |||||||||
| General and administrative | |||||||||
| Change in fair value of contingent consideration | |||||||||
| Depreciation Expense | |||||||||
| Restructuring costs and other charges | |||||||||
| Total Costs and Expenses | |||||||||
| % of revenue | 103.4% | ||||||||
| Income (loss) from Operations | |||||||||
| % of revenue | -3.4% | ||||||||
| Financial income, net | |||||||||
| Income (loss) before Taxes on Income | |||||||||
| Taxes on income | |||||||||
| Net Income (loss) |