Note 2 - Emergence From Bankruptcy Proceedings and Fresh Start Accounting - Reconciliation of Enterprise Value to the Estimated Fair Value of Successor Common Stock (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Nov. 14, 2017
Enterprise value		$ 335,862
Plus: Cash and cash equivalents		74,939
Less: Fair value of debt		(92,799)
Less: Fair value of warrants		(88,228)
Fair value of Successor common stock		$ 229,774
Common stock, shares outstanding (in shares)	7,042,000	7,041,521

Fair value amount of common stock at the balance sheet date after fresh-start adjustments.

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Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

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Amount of cash and cash equivalents at the balance sheet date after fresh-start adjustments.

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Total long-term debt at the balance sheet date after fresh-start adjustments.

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Amount attributed to the reconstituted entity, as well as the expected net realizable value of those assets that will be disposed before reconstitution occurs.

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Fair value portion of warrants not settleable in cash classified as equity.

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