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Note 2 - Business Combination (Tables) | 12 Months Ended
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Dec. 31, 2020
Notes Tables |
Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block] |
|  | Estimated Fair |
(In thousands) |  | Value |
Assets: |  |  |  |
Current assets |  | $ | 77,942 |
Property and equipment |  |  | 360,701 |
Other assets |  |  | 779 |
Liabilities: |  |  |  |
Current liabilities |  |  | 33,881 |
Long term debt |  |  | 100,000 |
Other liabilities |  |  | 20,049 |
Net assets acquired |  | $ | 285,492 |
Business Acquisition, Pro Forma Information [Table Text Block] |
|  | Year |
(Unaudited) |  | Ended |
(in millions, except per share amounts) |  | December 31, 2018 |
Revenues |  | $ | 500,118 |
Net loss |  |  | (196,057 | )
Basic loss per common share |  |  | (5.66 | )
Diluted loss per common share |  |  | (5.66 | )

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