Note 2 - Emergence From Bankruptcy Proceedings and Fresh Start Accounting - Reorganization Value (Details) $ in Thousands	Nov. 14, 2017 USD ($)
Enterprise value	$ 335,862
Plus: Cash and cash equivalents	74,939
Plus: Current liabilities	36,138
Plus: Non-current liabilities excluding long-term debt	35,075
Reorganization value	$ 482,014

Non-current liabilities excluding long-term debt at the balance sheet date after fresh-start adjustments.

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- Definition

Total assets at the balance sheet date after fresh-start adjustments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 852
-SubTopic 10
-Section 55
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=84165509&loc=d3e56426-112766

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

+ References

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Total current liabilities at the balance sheet date after fresh-start adjustments.

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 852
-SubTopic 10
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-URI http://asc.fasb.org/extlink&oid=84165509&loc=d3e56239-112766

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