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Note 19 - Segment Reporting - Summary of Cost of Revenues From Each Significant Revenue Stream (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Network, other costs $ 14,769 $ 10,194 $ 9,190
Cost of Revenue, Total 226,044 225,717 236,368
Network Expenses [Member]      
Network, other costs     9,190
Network, depreciation and amortization costs 18,035 13,484 9,599
Network, impairment 201 1,638 0
Total Network Expenses 33,005 25,316 18,789
Network Access Services [Member] | Network Expenses [Member]      
Network, other costs 14,769    
Network Access Services [Member] | Fiber Internet Services [Member]      
Cost of revenue 12,120 6,982 3,928
Network Access Services [Member] | Retail Mobile Services [Member]      
Cost of revenue 6,012 22,942 44,415
Network Access Services [Member] | Mobile Platform Services [Member]      
Cost of revenue 419 56 0
Network Access Services [Member] | Other Services [Member]      
Cost of revenue 7,000 2,970 0
Network Access Services [Member] | Mobile Services [Member]      
Cost of revenue 13,431 25,968 44,415
Domain Name Services [Member]      
Cost of revenue 167,488 167,451 169,236
Domain Name Services [Member] | Network Expenses [Member]      
Network, other costs   10,194  
Domain Name Services [Member] | Wholesale [Member]      
Cost of revenue 149,757 149,804 151,516
Domain Name Services [Member] | Retail Services [Member]      
Cost of revenue 17,731 17,647 17,720
Domain Name Services [Member] | Domain Services [Member] | Wholesale [Member]      
Cost of revenue 147,213 146,788 148,530
Domain Name Services [Member] | Value Added Services [Member] | Wholesale [Member]      
Cost of revenue $ 2,544 $ 3,016 $ 2,986