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Note 11 - Goodwill and Intangible Assets (Tables) | 12 Months Ended
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Dec. 31, 2018
Notes Tables |
Schedule of Changes in Goodwill and Other Intangible Assets [Table Text Block] |
|  | Net Balance at |  |  | Acquisitions |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Net Balance at |
|  | December 31, |  |  | And |  |  |  |  |  |  |  |  |  |  |  |  |  |  | December 31, |
|  | 2017 |  |  | Adjustments |  |  | Dispositions |  |  | Impairment |  |  | Amortization |  |  | 2018 |
Goodwill |  | $ | 611,100 |  |  | $ | 3,077 |  |  | $ | (1,752 | ) |  | $ | - |  |  | $ | - |  |  | $ | 612,425 |
Broadcast licenses |  |  | 1,530,703 |  |  | $ | 425 |  |  |  | (1,554 | ) |  |  | - |  |  |  | - |  |  |  | 1,529,574 |
Finite-lived intangible assets |  |  | 73,784 |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | (20,570 | ) |  |  | 53,214 |
Total intangible assets net of accumulated amortization |  | $ | 2,215,587 |  |  | $ | 3,502 |  |  | $ | (3,306 | ) |  | $ | - |  |  | $ | (20,570 | ) |  | $ | 2,195,213 |
|  | Net Balance at |  |  | Acquisitions |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Net Balance at |
|  | December 31, |  |  | And |  |  |  |  |  |  |  |  |  |  |  |  |  |  | December 31, |
|  | 2016 |  |  | Adjustments |  |  | Dispositions |  |  | Impairment |  |  | Amortization |  |  | 2017 |
Goodwill |  | $ | 485,318 |  |  | $ | 125,782 |  |  | $ | - |  |  | $ | - |  |  | $ | - |  |  | $ | 611,100 |
Broadcast licenses |  |  | 1,340,305 |  |  |  | 203,503 |  |  |  | (13,105 | ) |  |  | - |  |  |  | - |  |  |  | 1,530,703 |
Finite-lived intangible assets |  |  | 56,250 |  |  |  | 42,606 |  |  |  | - |  |  |  | - |  |  |  | (25,072 | ) |  |  | 73,784 |
Total intangible assets net of accumulated amortization |  | $ | 1,881,873 |  |  | $ | 371,891 |  |  | $ | (13,105 | ) |  | $ | - |  |  | $ | (25,072 | ) |  | $ | 2,215,587 |
Schedule of Goodwill [Table Text Block] |
|  | As of |  |  | Acquisitions |  |  |  |  |  |  |  |  |  |  | As of |
|  | December 31, |  |  | And |  |  |  |  |  |  |  |  |  |  | December 31, |
|  | 2017 |  |  | Adjustments |  |  | Dispositions |  |  | Impairment |  |  | 2018 |
Goodwill, gross |  | $ | 709,696 |  |  | $ | 3,077 |  |  | $ | (1,752 | ) |  | $ | - |  |  | $ | 711,021 |
Accumulated goodwill impairment |  |  | (98,596 | ) |  |  | - |  |  |  | - |  |  |  | - |  |  |  | (98,596 | )
Goodwill, net |  | $ | 611,100 |  |  | $ | 3,077 |  |  | $ | (1,752 | ) |  | $ | - |  |  | $ | 612,425 |
|  | As of |  |  | Acquisitions |  |  |  |  |  |  |  |  |  |  | As of |
|  | December 31, |  |  | And |  |  |  |  |  |  |  |  |  |  | December 31, |
|  | 2016 |  |  | Adjustments |  |  | Dispositions |  |  | Impairment |  |  | 2017 |
Goodwill, gross |  | $ | 583,914 |  |  | $ | 125,782 |  |  | $ | - |  |  | $ | - |  |  | $ | 709,696 |
Accumulated goodwill impairment |  |  | (98,596 | ) |  |  | - |  |  |  | - |  |  |  | - |  |  |  | (98,596 | )
Goodwill, net |  | $ | 485,318 |  |  | $ | 125,782 |  |  | $ | - |  |  | $ | - |  |  | $ | 611,100 |
Schedule of Intangible Assets and Goodwill [Table Text Block] |
|  | As of December 31, 2018 |  |  | As of December 31, 2017 |
|  |  |  |  |  | Accumulated |  |  |  |  |  |  |  |  |  |  | Accumulated |  |  |  |  |
|  | Gross |  |  | Amortization |  |  | Net |  |  | Gross |  |  | Amortization |  |  | Net |
Intangible assets not currently subject to amortization: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Broadcast licenses |  | $ | 1,583,273 |  |  | $ | (53,699 | ) |  | $ | 1,529,574 |  |  | $ | 1,584,402 |  |  | $ | (53,699 | ) |  | $ | 1,530,703 |
Goodwill |  |  | 612,425 |  |  |  | - |  |  |  | 612,425 |  |  |  | 611,100 |  |  |  | - |  |  |  | 611,100 |
|  | $ | 2,195,698 |  |  | $ | (53,699 | ) |  | $ | 2,141,999 |  |  | $ | 2,195,502 |  |  | $ | (53,699 | ) |  | $ | 2,141,803 |
Intangible assets subject to amortization: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Network affiliation agreements |  | $ | 6,134 |  |  | $ | (6,134 | ) |  | $ | - |  |  | $ | 6,134 |  |  | $ | (3,551 | ) |  | $ | 2,583 |
Other finite-lived intangible assets |  |  | 143,419 |  |  |  | (90,205 | ) |  |  | 53,214 |  |  |  | 143,446 |  |  |  | (72,245 | ) |  |  | 71,201 |
|  | $ | 149,553 |  |  | $ | (96,339 | ) |  | $ | 53,214 |  |  | $ | 149,580 |  |  | $ | (75,796 | ) |  | $ | 73,784 |
Total intangibles |  | $ | 2,345,251 |  |  | $ | (150,038 | ) |  | $ | 2,195,213 |  |  | $ | 2,345,082 |  |  | $ | (129,495 | ) |  | $ | 2,215,587 |

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