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Note 17 - Other Income (Tables) | 9 Months Ended
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Sep. 30, 2020
Notes Tables |
Schedule of Other Nonoperating Income (Expense) [Table Text Block] |
|  | Three Months Ended September 30, |  |  | Nine Months Ended September 30, |
|  | 2020 |  |  | 2019 |  |  | 2020 |  |  | 2019 |
Write-down of Ting Mobile intangible assets |  | $ | (2,581 | ) |  | $ | - |  |  | $ | (2,581 | ) |  | $ | - |
Write-down of Ting Mobile contract costs |  |  | (932 | ) |  |  | - |  |  |  | (932 | ) |  |  | - |
Income earned on sale of Transferred Assets |  |  | 4,603 |  |  |  | - |  |  |  | 4,603 |  |  |  | - |
Gain on sale of Ting Customer Assets |  | $ | 1,090 |  |  | $ | - |  |  | $ | 1,090 |  |  | $ | - |

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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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Balance Type: | na
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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