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Note 17 - Other Income (Expenses) (Tables) | 12 Months Ended
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Dec. 31, 2022
Notes Tables |
Schedule of Other Nonoperating Income (Expense) [Table Text Block] |
|  | For the twelve months ended |
|  | 2022 |  |  | 2021 |  |  | 2020 |
Write-down of Ting Mobile intangible assets |  | $ | - |  |  | $ | - |  |  | $ | (2,581 | )
Write-down of Ting Mobile contract costs |  |  | - |  |  |  | - |  |  |  | (932 | )
Income earned on sale of Transferred Assets |  |  | 18,507 |  |  |  | 20,030 |  |  |  | 11,125 |
Income earned on sale of Ting customer assets |  | $ | 18,507 |  |  | $ | 20,030 |  |  | $ | 7,612 |

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- Definition Tabular disclosure of the components of non-operating income or non-operating expense that may include amounts earned from dividends, interest on securities, gains (losses) on securities sold, equity earnings of unconsolidated affiliates, net gain (loss) on sales of business, interest expense and other miscellaneous income or expense items. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
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Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration