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Note 5 - Equity Investments (Tables) | 9 Months Ended
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Sep. 30, 2021
Notes Tables |
Equity Securities without Readily Determinable Fair Value [Table Text Block] |
|  | Ownership |  | September 30, |  |  | December 31, |
|  | Percentage |  | 2021 |  |  | 2020 |
Cost Method Investments |  |  |  |  |  |  |  |  |  |
Hargray(1), (2) |  | ~15% |  | $ | - |  |  | $ | 113,165 |
Nextlink |  | <10% |  |  | 27,245 |  |  |  | 27,245 |
Others |  | <10% |  |  | 15,085 |  |  |  | 10,066 |
Total cost method investments |  |  |  | $ | 42,330 |  |  | $ | 150,476 |
Equity Method Investments |  |  |  |  |  |  |  |  |  |
MBI(3) |  | 45.0% |  | $ | 626,926 |  |  | $ | 630,679 |
Wisper |  | 40.4% |  |  | 29,849 |  |  |  | 26,626 |
Total equity method investments |  |  |  | $ | 656,775 |  |  | $ | 657,305 |
Total equity investments |  |  |  | $ | 699,105 |  |  | $ | 807,781 |
Equity Method Investments [Table Text Block] |
|  | Three Months Ended September 30, |  |  | Nine Months Ended September 30, |
|  | 2021 |  |  | 2020 |  |  | 2021 |  |  | 2020 |
Equity Method Investment Income (Loss) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
MBI(1) |  | $ | (132 | ) |  | $ | - |  |  | $ | (3,753 | ) |  | $ | - |
Wisper |  |  | 1,243 |  |  |  | - |  |  |  | 3,222 |  |  |  | - |
Total |  | $ | 1,111 |  |  | $ | - |  |  | $ | (531 | ) |  | $ | - |
Other Income (Expense), Net |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
MBI Net Option change in fair value |  | $ | (25,600 | ) |  | $ | - |  |  | $ | (41,390 | ) |  | $ | - |

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