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Note 11 - Commitments and Contingencies (Details Textual) - Forecast [Member] - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
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Jun. 30, 2019 | Sep. 30, 2019
Disposition of WCAV-TV (CBS/FOX) and WVAW-TV (ABC) in Connection to Charlottesyille Transaction [Member] |  |
Disposal Group, Including Discontinued Operation, Consideration | $ 25.0 |
KDLT-TV [Member] |  |
Business Combination, Consideration Transferred, Total |  | $ 32.5
Charlottesville Transactions [Member] |  |
Business Combination, Consideration Transferred, Total | $ 12.0 |

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- Definition Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=116859721&loc=d3e6613-128477 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=116859721&loc=d3e6578-128477 + Details
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