Note 8 - Commitments and Contingencies (Details Textual) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
Dec. 31, 2018	Sep. 30, 2018
Revolving Credit Facility [Member] \| The 2017 Senior Credit Facility [Member]
Line of Credit Facility, Maximum Borrowing Capacity		$ 100,000
Scenario, Forecast [Member] \| Revolving Credit Facility [Member] \| The 2018 Senior Credit Facility [Member]
Line of Credit Facility, Maximum Borrowing Capacity	$ 200,000
Debt Instrument, Term	5 years
Scenario, Forecast [Member] \| New Preferred Stock [Member]
Preferred Stock, Dividend Rate, Cash, Percentage	8.00%
Preferred Stock, Dividend Rate, Additional Preferred Stock, Percentage	8.50%
Preferred Stock, Liquidation Preference Per Share	$ 1,000
KDLT-TV [Member] \| Scenario, Forecast [Member]
Business Combination, Consideration Transferred, Total	$ 32,500
Raycom [Member] \| Scenario, Forecast [Member]
Payments to Acquire Businesses, Gross	$ 2,850,000
Raycom [Member] \| Scenario, Forecast [Member] \| Common Stock [Member]
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares	11,500,000
Raycom [Member] \| Scenario, Forecast [Member] \| Preferred Stock [Member] \| New Preferred Stock [Member]
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares	650,000
Business Acquisition, Equity Interest Issued or Issuable, Stated Value Per Share	$ 1,000

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The percentage rate used to calculate preferred stock dividends payable in additional preferred stock.

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Number of shares of equity interests issued or issuable to acquire entity.

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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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Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

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The per share liquidation preference (or restrictions) of nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) that has a preference in involuntary liquidation considerably in excess of the par or stated value of the shares. The liquidation preference is the difference between the preference in liquidation and the par or stated values of the share.

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