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Note 12 - Goodwill and Intangible Assets - Changes in Goodwill and Other Intangible Assets (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2019 | Mar. 31, 2018
Goodwill | $ 612,000 |
Goodwill, Net additions | 822,000 |
Goodwill | 1,434,000 |
Broadcast licenses | 1,530,000 |
Broadcast licenses | 3,534,000 |
Finite-lived intangible assets | 53,000 |
Finite-lived Intangible Assets Acquired | 493,000 |
Amortization of Intangible Assets | (29,000) | $ (5,000)
Finite-lived intangible assets | 517,000 |
Total intangible assets net of accumulated amortization | 2,195,000 |
Total intangible assets net of accumulated amortization, Net additions | 3,319,000 |
Total intangible assets net of accumulated amortization | 5,485,000 |
Broadcast Licenses [Member] |  |
Broadcast licenses | 1,530,000 |
Broadcast licenses, Net additions | 2,004,000 |
Broadcast licenses | $ 3,534,000 |

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- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274 + Details
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