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Note 10 - Revenue - Cost of Revenue (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Network, other costs $ 26,723 $ 28,222 $ 17,433
Cost of Revenue Property and Equipment Impairment 1,441 4,822 92
Cost of revenue 279,246 272,670 242,894
Cost of Revenue 279,246 272,670 242,894
Operating Segments [Member]      
Network, other costs [1] 33,602 33,644 15,228
Segment Reporting, Reconciling Item, Corporate Nonsegment [Member]      
Cost of revenue 12,637 10,065 9,448
Network Expenses [Member]      
Network, other costs 26,723 28,222 17,433
Network, depreciation and amortization costs 41,335 37,370 29,101
Cost of Revenue Property and Equipment Impairment 1,441 4,822 92
Cost of revenue 69,499 70,414 46,626
Cost of Revenue 69,499 70,414 46,626
Ting [Member] | Operating Segments [Member]      
Network, other costs [1] 16,918 17,872 5,107
Ting [Member] | Fiber Internet Services [Member] | Operating Segments [Member]      
Cost of revenue 18,754 20,151 17,004
Wavelo [Member] | Operating Segments [Member]      
Cost of revenue 1,273 2,626 2,926
Network, other costs [1] 9,710 9,649 4,245
Wavelo [Member] | Platform Services [Member] | Operating Segments [Member]      
Cost of revenue 1,248 1,337 1,294
Wavelo [Member] | Other Services [Member] | Operating Segments [Member]      
Cost of revenue 25 1,289 1,632
Tucows Domains [Member] | Operating Segments [Member]      
Cost of revenue 177,083 169,414 166,890
Network, other costs [1] 6,974 6,123 5,876
Tucows Domains [Member] | Operating Segments [Member] | Wholesale [Member]      
Cost of revenue 160,458 152,913 150,408
Tucows Domains [Member] | Operating Segments [Member] | Retail Services [Member]      
Cost of revenue 16,625 16,501 16,482
Tucows Domains [Member] | Domain Services [Member] | Operating Segments [Member] | Wholesale [Member]      
Cost of revenue 158,383 150,664 147,894
Tucows Domains [Member] | Value Added Services [Member] | Operating Segments [Member] | Wholesale [Member]      
Cost of revenue $ 2,075 $ 2,249 $ 2,514
[1] 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.