v3.25.4
Note 4 - Goodwill and Other Intangible Assets (Details Textual) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Goodwill $ 130,410 $ 130,410  
Goodwill, Impairment Loss 0    
Impairment of Intangible Assets, Indefinite-Lived (Excluding Goodwill) 0 0 $ 0
Finite-Lived Intangible Assets Acquired $ 206 $ 575  
Customer Assets and Domain Names [Member]      
Finite-Lived Intangible Asset, Useful Life (Year) 7 years    
Finite-Lived Intangible Assets Acquired $ 200    
Minimum [Member]      
Finite-Lived Intangible Asset, Useful Life (Year) 2 years    
Maximum [Member]      
Finite-Lived Intangible Asset, Useful Life (Year) 15 years    
Weighted Average [Member]      
Finite-Lived Intangible Asset, Useful Life (Year) 5 years 4 months 24 days    
Domain Services Operating Segment [Member]      
Goodwill $ 107,700    
Goodwill Percentage Related to Operating Segments 83.00%    
Network Access Services [Member]      
Goodwill $ 22,700    
Goodwill Percentage Related to Operating Segments 17.00%