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Represents the gain (loss) on sale of corporate assets and non productive assets.

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No definition available.

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- Definition

Gain loss on settlement of asset retirement obligations.

+ References

No definition available.

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- Definition

Carrying value as of the balance sheet date of obligations incurred and due from an overproduced working interest owner when an under-produced working interest owner has sold gas less than the party's ownership percentage. Used to reflect the current portion of the receivable (due within one year or within the normal operating cycle if longer).

+ References

No definition available.

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- Definition

Represents the period of time the entity has experienced operating losses.

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No definition available.

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- Definition

Amount of accretion expense recognized during the period that is associated with an asset retirement obligation. Accretion expense measures and incorporates changes due to the passage of time into the carrying amount of the liability.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 410

-SubTopic 20

-Section 45

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6392676&loc=d3e7480-110848

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-Name Accounting Standards Codification

-Topic 410

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (c)(3)

-URI http://asc.fasb.org/extlink&oid=6392692&loc=d3e7535-110849

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- Definition

Additions to capitalized exploratory well costs that were added during the reporting period pending the determination of proved reserves.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 932

-SubTopic 235

-Section 50

-Paragraph 1B

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=8451039&loc=SL6806780-109447

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- Definition

Capitalized exploratory well costs that were expensed during the year because proved reserves were not found at the exploratory well.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 932

-SubTopic 235

-Section 50

-Paragraph 1B

-Subparagraph (a)(3)

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- Definition

The amount of capitalized exploratory well costs that is pending the determination of proved reserves. This does not include amounts that were capitalized and subsequently expensed in the same annual period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 932

-SubTopic 235

-Section 50

-Paragraph 1B

-Subparagraph (a)

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- Definition

The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets.

+ References

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- Definition

Carrying value as of the balance sheet date of obligations incurred and payable to an underproduced working interest owner when an overproduced working interest owner has sold gas in excess of the party's ownership percentage. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19

-Subparagraph a

-Article 5

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-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.19(a))

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- Definition

The amount of the gas imbalance in terms of units of measure (Mcf) as of the end of the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 932

-SubTopic 10

-Section S99

-Paragraph 5

-URI http://asc.fasb.org/extlink&oid=27015464&loc=d3e512571-122862

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- Definition

The adjustment to reduce the value of existing agreements that specify the lessee's rights to use the leased property. This expense is charged when the estimates of future profits generated by the leased property are reduced.

+ References

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- Definition

The expense recorded to reduce the value of oil and gas assets consisting of proved properties and unproved properties as the estimate of future successful production from these properties is reduced.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (b)

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-Publisher FASB

-Name Accounting Standards Codification

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-Section 35

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-Name Accounting Standards Codification

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-SubTopic 10

-Section 50

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-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6391110&loc=d3e2921-110230

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Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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No definition available.

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Previously capitalized costs of the drilling of wells that were reclassified as part of the costs of the enterprise's wells and related equipment and facilities at the time that proved reserves were found.

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-Publisher FASB

-Name Accounting Standards Codification

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-SubTopic 235

-Section 50

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The carrying amounts of cash and cash equivalent items which are restricted as to withdrawal or usage. Restrictions may include legally restricted deposits held as compensating balances against short-term borrowing arrangements, contracts entered into with others, or entity statements of intention with regard to particular deposits; however, time deposits and short-term certificates of deposit are not generally included in legally restricted deposits. Excludes compensating balance arrangements that are not agreements which legally restrict the use of cash amounts shown on the balance sheet. For a classified balance sheet represents the current portion only (the noncurrent portion has a separate concept); there is a separate and distinct element for unclassified presentations.

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 1

-Article 5

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-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.1)

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Business Description and Summary of Significant Accounting Policies (Property) (Details) (USD $) In Thousands, unless otherwise specified	1 Months Ended	12 Months Ended
	Jul. 31, 2014	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Business Description and Summary of Significant Accounting Policies
Period of operating loss		3 years
Cash held in escrow		$ 283	$ 283
Depreciation, depletion and amortization		19,419	20,942	20,216
Net changes in capitalized exploratory well costs
Beginning balance				4,170us-gaap_CapitalizedExploratoryWellCosts
Additions to capitalized exploratory well costs pending the determination of proved reserves				6,650
Reclassifications to wells, facilities and equipment based on the determination of proved reserves				(6,390)
Capitalized exploratory well costs charged to expense				(4,430)
Accretion expense		254	276	188
Impairment and abandonment of equipment and properties		1,708us-gaap_ImpairmentOfOilAndGasProperties	4,992us-gaap_ImpairmentOfOilAndGasProperties	4,988us-gaap_ImpairmentOfOilAndGasProperties
Impairment of leasehold		950us-gaap_ImpairmentOfLeasehold	30us-gaap_ImpairmentOfLeasehold	87us-gaap_ImpairmentOfLeasehold
Gain on sale	77	77
Gain on settlement of asset retirement obligation		80
Oil and Gas Properties
Business Description and Summary of Significant Accounting Policies
Depreciation, depletion and amortization		19,063	20,560	19,828
Net changes in capitalized exploratory well costs
Impairment and abandonment of equipment and properties		758	4,962	4,901
Pipelines
Business Description and Summary of Significant Accounting Policies
Depreciation, depletion and amortization		221	221
Net changes in capitalized exploratory well costs
Estimated useful lives		25 years
Corporate and Other Assets
Business Description and Summary of Significant Accounting Policies
Depreciation, depletion and amortization		135	161	167
Office Facilities
Net changes in capitalized exploratory well costs
Estimated useful lives		10 years
Vehicles
Net changes in capitalized exploratory well costs
Estimated useful lives		5 years
Gas Imbalance Receivable
Business Description and Summary of Significant Accounting Policies
Volume of natural gas imbalance		115,000
Natural gas imbalance receivable		334
Gas Imbalance Payable
Business Description and Summary of Significant Accounting Policies
Volume of natural gas imbalance		256,000
Natural gas imbalance payable		$ 966
Minimum \| Office Equipment
Net changes in capitalized exploratory well costs
Estimated useful lives		3 years
Maximum \| Office Equipment
Net changes in capitalized exploratory well costs
Estimated useful lives		10 years