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Note 16 - Other Income (Expenses) - Other Income (Expenses) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Write-down of Ting Mobile intangible assets   $ (2,581)  
Gain on sale of Ting customer assets $ 20,030 7,612 $ 0
Purchase Agreement With DISH Wireless LLC [Member]      
Write-down of Ting Mobile intangible assets 0 (2,581) 0
Write-down of Ting Mobile contract costs 0 (932) 0
Income earned on sale of Transferred Assets 20,030 11,125 0
Gain on sale of Ting customer assets $ 20,030 $ 7,612 $ 0