Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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

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-Name Accounting Standards Codification

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Reference 2: http://www.xbrl.org/2003/role/presentationRef

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Reference 3: http://www.xbrl.org/2003/role/presentationRef

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-Name Accounting Standards Codification

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Reference 4: http://www.xbrl.org/2003/role/presentationRef

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Reference 5: http://www.xbrl.org/2003/role/presentationRef

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Reference 6: http://www.xbrl.org/2003/role/presentationRef

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Name:	us-gaap_LongTermDebt
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

SUBSEQUENT EVENT (Details) - USD ($) $ in Thousands	Aug. 10, 2015	Jun. 30, 2015	Sep. 30, 2014
Subsequent events
Long-term Debt		$ 8,454	$ 11,099
Canadian revolving credit facility
Subsequent events
Long-term Debt		$ 4,800	$ 7,000
Oil and natural gas properties \| Oil and natural gas properties \| Dunvegan area of Alberta
Subsequent events
Sales price per the Purchase and Sales Agreement	$ 15,000
Canadian Tax Withholding	50.00%