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Note 10 - Revenue 1 (Details Textual)
$ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2024
USD ($)
Mar. 31, 2023
USD ($)
Dec. 31, 2023
Cost of Revenue Property and Equipment Impairment $ 53 $ 1,942  
Minimum [Member]      
Finite-Lived Intangible Asset, Useful Life (Year) 2 years    
Minimum [Member] | Active Domain Name Contracts [Member]      
Finite-Lived Intangible Asset, Useful Life (Year) 1 year    
Maximum [Member]      
Finite-Lived Intangible Asset, Useful Life (Year) 15 years    
Maximum [Member] | Active Domain Name Contracts [Member]      
Finite-Lived Intangible Asset, Useful Life (Year) 10 years    
Network Expenses [Member]      
Cost of Revenue Property and Equipment Impairment $ 53 $ 1,942  
Wavelo [Member] | Operating Segments [Member] | One Customer [Member]      
Revenue from Contract with Customer, Excluding Assessed Tax $ 9,200    
Customer Concentration Risk [Member] | Revenue Benchmark [Member] | Wavelo [Member] | Operating Segments [Member]      
Number of Customers 1 0  
Customer Concentration Risk [Member] | Revenue Benchmark [Member] | Wavelo [Member] | Operating Segments [Member] | One Customer [Member]      
Concentration Risk, Percentage 10.50%    
Customer Concentration Risk [Member] | Accounts Receivable [Member]      
Number of Customers 1   1
Customer Concentration Risk [Member] | Accounts Receivable [Member] | One Customer [Member]      
Concentration Risk, Percentage 48.20%   59.00%