SUPPLEMENTARY OIL AND NATURAL GAS INFORMATION (UNAUDITED) (Details) bbl in Thousands, MMcf in Thousands, $ in Thousands	12 Months Ended
	Sep. 30, 2016 USD ($) Boe MMcf bbl	Sep. 30, 2015 USD ($) Boe MMcf bbl	Sep. 30, 2016 USD ($) Boe	Sep. 30, 2015 USD ($)
Oil and Gas Exploration and Production Industries Disclosures [Abstract]
Proved undeveloped reserves | Boe			0
Changes in the estimates of net interests in total proved developed reserves of oil and natural gas liquids and natural gas
Balance at the beginning of the period | Boe	1,008,000	2,356,000
Revisions of previous estimates | Boe	(251,000)	(11,000)
Extensions, discoveries and other additions | Boe	70,000	1,000
Acquisitions of reserves | Boe	37,000	140,000
Less sales of reserves | Boe	0	(1,044,000)
Less production | Boe	(166,000)	(434,000)
Balance at the end of the period | Boe	698,000	1,008,000
Capitalized Costs Relating to Oil and Natural Gas Producing Activities
Proved properties			$ 66,044	$ 62,960
Unproved properties			221	145
Total capitalized costs			66,265	63,105
Accumulated depletion and depreciation			61,060	57,460
Net capitalized costs			5,205	5,645
Costs Incurred in Oil and Natural Gas Property Acquisition, Exploration and Development
Acquisition of unproved properties	$ 161	$ 28
Acquisition of proved properties	608	804
Exploration costs	0	0
Development costs	1,103	2,680
Total	1,872	3,512
Additions and revisions to asset retirement obligation included in development costs	99	1,234
Results of Operations for Oil and Natural Gas Producing Activities
Net revenues	3,177	9,008
Production costs	(3,142)	(6,387)
Depletion	(1,236)	(2,987)
Impairment of assets	(1,154)	0
Pre-tax results of operations	(2,355)	(366)
Estimated income tax benefit (expense)	297	(921)
Results of operations	(2,058)	(1,287)
Standardized Measure of Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves [Abstract]
Future cash inflows			17,259	27,749
Future production costs			(11,951)	(18,468)
Future development costs			(426)	(935)
Future income tax expenses			(1,016)	(2,361)
Future net cash flows			3,866	5,985
10% annual discount for timing of cash flows			(956)	(1,950)
Standardized measure of discounted future net cash flows	4,035	24,147	$ 2,910	$ 4,035
Changes in the Standardized Measure of Discounted Future Net Cash Flows
Beginning of year	4,035	24,147
Sales of oil and natural gas produced, net of production costs	(35)	(2,621)
Net changes in prices and production costs, net of royalties and wellhead taxes	(4,134)	(8,042)
Extensions and discoveries	1,285	1
Net change due to purchases and sales of minerals in place	470	(9,103)
Revisions of previous quantity estimates	(343)	634
Net change in income taxes	98	1,658
Accretion of discount	412	2,021
Other - changes in the timing of future production and other	1,018	(1,009)
Other - net change in Canadian dollar translation rate	104	(3,651)
Net change	(1,125)	(20,112)
End of year	$ 2,910	$ 4,035
OIL & NGL (Bbls)
Changes in the estimates of net interests in total proved developed reserves of oil and natural gas liquids and natural gas
Balance at the beginning of the period | bbl	469	724
Revisions of previous estimates | bbl	(23)	79
Extensions, discoveries and other additions | bbl	54	0
Acquisitions of reserves | bbl	34	46
Less sales of reserves | bbl	0	(237)
Less production | bbl	(84)	(143)
Balance at the end of the period | bbl	450	469
GAS (Mcf)
Changes in the estimates of net interests in total proved developed reserves of oil and natural gas liquids and natural gas
Balance at the beginning of the period | MMcf	3,124	9,465
Revisions of previous estimates | MMcf	(1,320)	(520)
Extensions, discoveries and other additions | MMcf	95	3
Acquisitions of reserves | MMcf	18	543
Less sales of reserves | MMcf	0	(4,679)
Less production | MMcf	(476)	(1,688)
Balance at the end of the period | MMcf	1,441	3,124