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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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