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Note 10 - Revenue - Disaggregation of Revenue (Details) - USD ($) $ in Thousands | 3 Months Ended
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Mar. 31, 2025 | Mar. 31, 2024
Net Revenues | $ 94,609 | $ 87,457
Domain Name Services [Member] | Wholesale [Member] |  |
Net Revenues | 55,907 | 52,854
Domain Name Services [Member] | Domain Services [Member] | Wholesale [Member] |  |
Net Revenues | 50,004 | 48,151
Domain Name Services [Member] | Value Added Services [Member] | Wholesale [Member] |  |
Net Revenues | 5,903 | 4,703
Operating Segments [Member] |  |
Net Revenues | 92,522 | 85,175
Operating Segments [Member] | Fiber Internet Services [Member] |  |
Net Revenues | 16,315 | 14,102
Operating Segments [Member] | Mobile Platform Services [Member] |  |
Net Revenues | 11,396 | 9,390
Operating Segments [Member] | Mobile Platform Services [Member] | Platform Services [Member] |  |
Net Revenues | 11,396 | 9,365
Operating Segments [Member] | Mobile Platform Services [Member] | Other Services [Member] |  |
Net Revenues | 0 | 25
Operating Segments [Member] | Domain Name Services [Member] |  |
Net Revenues | 65,255 | 61,882
Operating Segments [Member] | Domain Name Services [Member] | Retail [Member] |  |
Net Revenues | 9,348 | 9,028
Consolidation, Eliminations [Member] |  |
Net Revenues | $ 1,643 | $ 2,083

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