Note 11 - Commitments and Contingencies (Details Textual) - Forecast [Member] - USD ($) $ in Millions	3 Months Ended	6 Months Ended
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

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.

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