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Note 13 - Segment Reporting - Information by Reportable Segments (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2025 | Mar. 31, 2024
Revenue from external customers |  | $ 94,609 | $ 87,457
Cost of revenues |  | 55,161 | 51,794
Network, other costs (2) |  | 5,175 | 7,117
Sales and marketing |  | 10,991 | 18,565
Technical operations and development |  | 4,407 | 5,016
General and administrative |  | 9,242 | 9,818
Operating Segments [Member] |  |  |
Revenue from external customers |  | 92,522 | 85,175
Intersegment revenues (1) | [1] | 444 | 199
Total net revenues |  | 92,966 | 85,374
Cost of revenues |  | 49,696 | 46,913
Network, other costs (2) | [2] | 6,221 | 9,022
Sales and marketing |  | 10,474 | 17,963
Technical operations and development |  | 4,308 | 4,499
General and administrative |  | 7,611 | 7,165
Other segment items (3) | [3] | (479) | (3,449)
Segment Adjusted EBITDA |  | 15,135 | 3,261
Operating Segments [Member] | Ting [Member] |  |  |
Revenue from external customers |  | 16,315 | 14,102
Intersegment revenues (1) | [1] | 0 | 0
Total net revenues |  | 16,315 | 14,102
Cost of revenues |  | 4,519 | 3,216
Network, other costs (2) | [2] | 2,316 | 4,656
Sales and marketing |  | 4,585 | 12,924
Technical operations and development |  | 460 | 819
General and administrative |  | 5,214 | 4,644
Other segment items (3) | [3] | 75 | (2,620)
Segment Adjusted EBITDA |  | (854) | (9,537)
Operating Segments [Member] | Wavelo [Member] |  |  |
Revenue from external customers |  | 10,952 | 9,191
Intersegment revenues (1) | [1] | 444 | 199
Total net revenues |  | 11,396 | 9,390
Cost of revenues |  | 137 | 351
Network, other costs (2) | [2] | 2,251 | 2,495
Sales and marketing |  | 2,326 | 1,671
Technical operations and development |  | 1,694 | 1,826
General and administrative |  | 1,017 | 889
Other segment items (3) | [3] | (478) | (629)
Segment Adjusted EBITDA |  | 4,449 | 2,787
Operating Segments [Member] | Tucows Domains [Member] |  |  |
Revenue from external customers |  | 65,255 | 61,882
Intersegment revenues (1) | [1] | 0 | 0
Total net revenues |  | 65,255 | 61,882
Cost of revenues |  | 45,040 | 43,346
Network, other costs (2) | [2] | 1,654 | 1,871
Sales and marketing |  | 3,563 | 3,368
Technical operations and development |  | 2,154 | 1,854
General and administrative |  | 1,380 | 1,632
Other segment items (3) | [3] | (76) | (200)
Segment Adjusted EBITDA |  | $ 11,540 | $ 10,011
[1] | Intercompany revenues earned for provision of services on the ISOS and SM platforms between Wavelo and Ting are included in Wavelo's segment revenues for purposes of segment analysis, but are ultimately eliminated upon consolidation.
[2] | Network Costs in segment reports provided to the CODM include certain construction expenses for Ting, which are reported as Direct Costs of Revenue in the Consolidated Statements of Operations and Comprehensive Loss.
[3] | Other segment items for each reportable segment includes other income, as well as adjustments to add back (deduct): gains and losses from unrealized foreign currency, stock-based compensation expense and acquisition and transition costs, which are included in other line items but are excluded from our definition of Segment Adjusted EBITDA.

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