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Note 11 - Revenue - Cost of Revenue (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Cost of revenue | $ 74,377 | $ 70,109 | $ 221,808 | $ 207,863
Network, other costs | 5,855 | 7,716 | 17,488 | 21,695
Network, depreciation and amortization cost | 10,692 | 9,780 | 32,260 | 30,433
Segment Reporting, Reconciling Item, Corporate Nonsegment [Member] |  |  |  |
Cost of revenue | 4,641 | 3,324 | 13,012 | 8,798
Network Expenses [Member] |  |  |  |
Cost of revenue | 16,547 | 17,496 | 49,748 | 52,128
Network, other costs | 5,694 | 6,864 | 16,688 | 20,790
Network, depreciation and amortization cost | 10,692 | 9,780 | 32,260 | 29,336
Network, impairment | 161 | 852 | 800 | 905
Ting [Member] | Fiber Internet Services [Member] |  |  |  |
Cost of revenue | 6,478 | 4,321 | 21,021 | 14,434
Mobile Services [Member] |  |  |  |
Cost of revenue | 88 | 63 | 320 | 753
Mobile Services [Member] | Platform Services [Member] |  |  |  |
Cost of revenue | 88 | 63 | 320 | 727
Mobile Services [Member] | Other Services [Member] |  |  |  |
Cost of revenue | 0 | 0 | 0 | 26
Domain Name Services [Member] |  |  |  |
Cost of revenue | 46,623 | 44,905 | 137,707 | 131,750
Domain Name Services [Member] | Wholesale [Member] |  |  |  |
Cost of revenue | 42,243 | 40,689 | 124,754 | 119,340
Domain Name Services [Member] | Retail Services [Member] |  |  |  |
Cost of revenue | 4,380 | 4,216 | 12,953 | 12,410
Domain Name Services [Member] | Domain Services [Member] | Wholesale [Member] |  |  |  |
Cost of revenue | 41,793 | 40,180 | 123,368 | 117,764
Domain Name Services [Member] | Value Added Services [Member] | Wholesale [Member] |  |  |  |
Cost of revenue | $ 450 | $ 509 | $ 1,386 | $ 1,576

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