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Note 23 - Subsequent Events (Details Textual) - USD ($)	Dec. 10, 2019	Dec. 05, 2019	Nov. 05, 2019	Oct. 31, 2019	Jan. 15, 2019	Oct. 31, 2018	Jul. 27, 2017
The 10.0% 2022 Notes [Member] | Senior Secured Notes [Member]
Debt Instrument, Interest Rate, Stated Percentage				10.00%		10.00%	10.00%
Debt Instrument, Face Amount							$ 440,000,000
The 10.0% 2022 Notes [Member] | Senior Secured Notes [Member] | Subsequent Event [Member]
Debt Instrument, Interest Rate, Stated Percentage			10.00%
Debt Instrument, Face Amount		$ 23,200,000
Debt Instrument, Aggregate Principal Outstanding, Percentage		10.60%
The 10.5% 2024 Notes [Member] | Senior Secured Notes [Member]
Debt Instrument, Interest Rate, Stated Percentage				10.50%	10.50%	10.50%	10.50%
Debt Instrument, Face Amount					$ 25,000,000		$ 400,000,000
The 10.5% 2024 Notes [Member] | Senior Secured Notes [Member] | Subsequent Event [Member]
Debt Instrument, Interest Rate, Stated Percentage			10.50%
Debt Instrument, Face Amount		$ 141,700,000
Debt Instrument, Aggregate Principal Outstanding, Percentage		67.00%
The 10.0% Senior Secured 1.75 Lien Notes due 2025 [Member] | Subsequent Event [Member]
Debt Instrument, Interest Rate, Stated Percentage			10.00%
Debt Instrument, Face Amount	$ 158,500,000
The 10.0% Senior Secured 1.75 Lien Term Loans Due 2028 [Member] | Subsequent Event [Member]
Debt Instrument, Face Amount	81,500,000
Unsecured Senior Term Loan [Member] | Subsequent Event [Member]
Debt Instrument Exchanged, Face Amount	$ 163,000,000

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The principal amount of the debt exchanged as a percentage of the aggregate amount outstanding prior to the exchange.

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- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28551-108399

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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