Note 10 - Revenue - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended
	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