| Schedule of Segment Reporting Information, by Segment [Table Text Block] |
| | | Year Ended December 31, | | | Year Ended December 31, | |
| | | 2025 | | | 2024 | |
| (in thousands) | | Fluent | | | Total | | | Fluent | | | Total | |
| Revenue(1): | | | | | | | | | | | | | | | | |
| United States | | $ | 129,690 | | | | | | | $ | 158,871 | | | | | |
| International | | | 71,853 | | | | | | | | 81,940 | | | | | |
| Total segment revenue | | $ | 201,543 | | | | | | | $ | 240,811 | | | | | |
| | | | | | | | | | | | | | | | | |
| Reconciliation of revenue | | | | | | | | | | | | | | | | |
| Other revenue | | | | | | | 7,221 | | | | | | | $ | 13,812 | |
| Total revenue | | | | | | $ | 208,764 | | | | | | | $ | 254,623 | |
| | | | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | | | | |
| Costs of revenue | | | | | | | | | | | | | | | | |
| Cost of revenue (exclusive of depreciation and amortization) | | | 156,740 | | | | | | | | 184,109 | | | | | |
| | | | | | | | | | | | | | | | | |
| Costs and expenses: | | | | | | | | | | | | | | | | |
| Salaries and benefits | | | 30,842 | | | | | | | | 36,194 | | | | | |
| Professional fees | | | 8,066 | | | | | | | | 7,425 | | | | | |
| IT and software | | | 4,412 | | | | | | | | 3,967 | | | | | |
| Other operating expense items (2) | | | 12,649 | | | | | | | | 12,354 | | | | | |
| Segment EBITDA | | $ | (11,166 | ) | | | | | | $ | (3,238 | ) | | | | |
| | | | | | | | | | | | | | | | | |
| Reconciliation of segment EBITDA to loss before income taxes | | | | | | | | | | | | | | | | |
| Segment EBITDA (from above) | | | | | | $ | (11,166 | ) | | | | | | $ | (3,238 | ) |
| Plus: Unallocated revenue | | | | | | | 7,221 | | | | | | | | 13,812 | |
| Less: | | | | | | | | | | | | | | | | |
| Unallocated cost of revenue (exclusive of depreciation and amortization) | | | | | | | 783 | | | | | | | | 9,712 | |
| Unallocated salaries and benefits | | | | | | | 4,088 | | | | | | | | 8,347 | |
| Unallocated professional fees | | | | | | | 350 | | | | | | | | 1,034 | |
| Unallocated IT and software | | | | | | | 319 | | | | | | | | 661 | |
| Unallocated operating expense items (2) | | | | | | | 1,085 | | | | | | | | 4,554 | |
| Depreciation and amortization | | | | | | | 9,752 | | | | | | | | 9,926 | |
| Interest Expense, net | | | | | | | 3,074 | | | | | | | | 4,749 | |
| Fair value adjustment of Convertible Notes, with related parties | | | | | | | 14 | | | | | | | | 1,670 | |
| Loss on early extinguishment of debt | | | | | | | 3,759 | | | | | | | | 1,009 | |
| Loss before income taxes | | | | | | $ | (27,169 | ) | | | | | | $ | (31,088 | ) |
| | | December 31, | | | December 31, | |
| | | 2025 | | | 2024 | |
| Total assets: | | | | | | | | |
| Fluent | | $ | 79,570 | | | $ | 84,373 | |
| Unallocated | | | 9,563 | | | | 9,244 | |
| Total assets | | $ | 89,133 | | | $ | 93,617 | |
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