| Segment Reporting [Table Text Block] |
| | Three Months Ended June 30, | | | Three Months Ended June 30, | |
| | 2026 | | | 2025 | |
| | Fluent | | | Total | | | Fluent | | | Total | |
Revenue(1): | | | | | | | | | | | | | | | | |
United States | | $ | 27,810 | | | | | | | $ | 27,897 | | | | | |
International | | | 19,037 | | | | | | | | 15,215 | | | | | |
Total segment revenue | | $ | 46,847 | | | | | | | $ | 43,112 | | | | | |
| | | | | | | | | | | | | | | | |
Reconciliation of revenue | | | | | | | | | | | | | | | | |
Unallocated revenue | | | | | | | 1,602 | | | | | | | | 1,594 | |
Total revenue | | | | | | $ | 48,449 | | | | | | | $ | 44,706 | |
| | | | | | | | | | | | | | | | |
Costs of revenue | | | | | | | | | | | | | | | | |
Cost of revenue (exclusive of depreciation and amortization) | | | 33,993 | | | | | | | | 34,301 | | | | | |
| | | | | | | | | | | | | | | | |
Costs and expenses: | | | | | | | | | | | | | | | | |
Salaries and benefits | | | 9,039 | | | | | | | | 7,343 | | | | | |
Professional fees | | | 1,477 | | | | | | | | 1,501 | | | | | |
IT and software | | | 1,284 | | | | | | | | 1,071 | | | | | |
Other segment items(2) | | | 3,826 | | | | | | | | 3,830 | | | | | |
Segment EBITDA | | $ | (2,772 | ) | | | | | | $ | (4,934 | ) | | | | |
| | | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | | | |
Reconciliation of Segment EBITDA to loss before income taxes | | | | | | | | | | | | | | | | |
Segment EBITDA (from above) | | | | | | $ | (2,772 | ) | | | | | | $ | (4,934 | ) |
Plus: Unallocated revenue | | | | | | | 1,602 | | | | | | | | 1,594 | |
Less: | | | | | | | | | | | | | | | | |
Unallocated cost of revenue (exclusive of depreciation and amortization) | | | | | | | 447 | | | | | | | | 125 | |
Unallocated salaries and benefits | | | | | | | 1,053 | | | | | | | | 930 | |
Unallocated professional fees | | | | | | | 111 | | | | | | | | 82 | |
Unallocated IT and software | | | | | | | 70 | | | | | | | | 53 | |
Unallocated other operating items(2) | | | | | | | 390 | | | | | | | | 97 | |
Depreciation and amortization | | | | | | | 1,710 | | | | | | | | 2,479 | |
Interest expense, net | | | | | | | 637 | | | | | | | | 702 | |
Fair value adjustment of Convertible Notes, with related parties | | | | | | | 584 | | | | | | | | (478 | ) |
Loss before income taxes | | | | | | $ | (6,172 | ) | | | | | | $ | (7,330 | ) |
| | Six Months Ended June 30, | | | Six Months Ended June 30, | |
| | 2026 | | | 2025 | |
| | Fluent | | | Total | | | Fluent | | | Total | |
Revenue(1): | | | | | | | | | | | | | | | | |
United States | | $ | 53,694 | | | | | | | $ | 63,802 | | | | | |
International | | | 35,978 | | | | | | | | 33,131 | | | | | |
Total segment revenue | | $ | 89,672 | | | | | | | $ | 96,933 | | | | | |
| | | | | | | | | | | | | | | | |
Reconciliation of revenue | | | | | | | | | | | | | | | | |
Unallocated revenue | | | | | | | 3,629 | | | | | | | | 2,983 | |
Total revenue | | | | | | $ | 93,301 | | | | | | | $ | 99,916 | |
| | | | | | | | | | | | | | | | |
Costs of revenue | | | | | | | | | | | | | | | | |
Cost of revenue (exclusive of depreciation and amortization) | | | 68,457 | | | | | | | | 78,033 | | | | | |
| | | | | | | | | | | | | | | | |
Costs and expenses: | | | | | | | | | | | | | | | | |
Salaries and benefits | | | 16,605 | | | | | | | | 15,032 | | | | | |
Professional fees | | | 3,022 | | | | | | | | 3,660 | | | | | |
IT and software | | | 2,340 | | | | | | | | 2,257 | | | | | |
Other segment items(2) | | | 4,277 | | | | | | | | 7,163 | | | | | |
Segment EBITDA | | $ | (5,029 | ) | | | | | | $ | (9,212 | ) | | | | |
| | | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | | | |
Reconciliation of Segment EBITDA to loss before income taxes | | | | | | | | | | | | | | | | |
Segment EBITDA (from above) | | | | | | $ | (5,029 | ) | | | | | | $ | (9,212 | ) |
Plus: Unallocated revenue | | | | | | | 3,629 | | | | | | | | 2,983 | |
Less: | | | | | | | | | | | | | | | | |
Unallocated cost of revenue (exclusive of depreciation and amortization) | | | | | | | 796 | | | | | | | | 168 | |
Unallocated salaries and benefits | | | | | | | 2,115 | | | | | | | | 2,047 | |
Unallocated professional fees | | | | | | | 294 | | | | | | | | 164 | |
Unallocated IT and software | | | | | | | 127 | | | | | | | | 145 | |
Unallocated other operating items(2) | | | | | | | 737 | | | | | | | | 489 | |
Depreciation and amortization | | | | | | | 3,391 | | | | | | | | 4,940 | |
Interest expense, net | | | | | | | 1,242 | | | | | | | | 1,582 | |
Fair value adjustment of Convertible Notes, with related parties | | | | | | | 1,421 | | | | | | | | (398 | ) |
Loss before income taxes | | | | | | $ | (11,523 | ) | | | | | | $ | (15,366 | ) |
| | June 30, | | | December 31, | |
| | 2026 | | | 2025 | |
Total assets: | | | | | | | | |
Fluent | | $ | 65,626 | | | $ | 79,570 | |
Unallocated | | | 9,507 | | | | 9,563 | |
Total assets | | $ | 75,133 | | | $ | 89,133 | |
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