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Note 3 - Acquisitions and Divestitures - Unaudited Pro Forma Results (Details) - Raycom [Member] - USD ($) $ / shares in Units, $ in Millions | 3 Months Ended
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Mar. 31, 2019 | Mar. 31, 2018
Revenue (less agency commissions) | $ 518 | $ 484
Net (loss) income | (2) | 6
Net (loss) income attributable to common stockholders | $ (15) | $ (7)
Basic net (loss) income per common share (in dollars per share) | $ (0.15) | $ (0.08)
Diluted net(loss) income per common share (in dollars per share) | $ (0.15) | $ (0.08)

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