Chapter 11 Filing (Credit Agreement Expenses) (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2017	Dec. 31, 2016
Chapter 11 Filing Credit Agreement Expenses Details
Upfront fee		$ 191
Commitment fee		150
Beneficial conversion feature		484
Legal fees		802
Total Credit Agreement expense		$ 1,627

No definition available.

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- Definition

Amount of up-front fee related to debtor-in-possession facility financing costs.

+ References

No definition available.

+ Details

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- Definition

Amount of amortization expense attributable to debt issuance costs.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
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-Paragraph 1
-Subparagraph (SX 210.9-04(8))
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- Definition

Amount of reorganization items related to debtor-in-possession facility financing costs.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 852
-SubTopic 10
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- Definition

The amount of expense provided in the period for legal costs incurred on or before the balance sheet date pertaining to resolved, pending or threatened litigation, including arbitration and mediation proceedings.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.3)
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- Definition

Amount of the fee for available but unused credit capacity under the credit facility.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
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-Subparagraph (SX 210.5-02.19(b),22(b))
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