SUPPLEMENTARY OIL AND NATURAL GAS INFORMATION (UNAUDITED) (Details) (USD $)	12 Months Ended
	Sep. 30, 2012 BarrelofOilEquivalent	Sep. 30, 2011 BarrelofOilEquivalent
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	3,760,000	4,353,000
Revisions of previous estimates	(96,000)	(10,000)
Extensions, discoveries and other additions	63,000	176,000
Less production	(734,000)	(759,000)
Balance at the end of the period	2,993,000	3,760,000
Capitalized Costs Relating to Oil and Natural Gas Producing Activities
Proved properties	$ 238,788,000	$ 220,362,000
Unproved properties	3,645,000	4,490,000
Total capitalized costs	242,433,000	224,852,000
Accumulated depletion and depreciation	198,768,000	175,715,000
Net capitalized costs	43,665,000	49,137,000
Costs Incurred in Oil and Natural Gas Property Acquisition, Exploration and Development
Unproved	496,000	1,455,000
Exploration costs	1,778,000	2,253,000
Development costs	2,641,000	9,591,000
Total	4,915,000	13,299,000
Results of Operations for Oil and Natural Gas Producing Activities
Net revenues	24,610,000	28,804,000
Production costs	10,445,000	11,404,000
Depletion	10,367,000	9,469,000
Reduction of carrying value of oil and natural gas properties	2,551,000
Pre-tax results of operations	1,247,000	7,931,000
Estimated income tax expense	(387,000)	(2,459,000)
Results of operations	860,000	5,472,000
Standardized Measure of Discounted Future Net Cash Flows
Future cash inflows	109,253,000	142,198,000
Future production costs	(51,603,000)	(61,271,000)
Future development costs	(2,044,000)	(2,428,000)
Future income tax expenses	(8,260,000)	(13,839,000)
Future net cash flows	47,346,000	64,660,000
10% annual discount for timing of cash flows	(12,056,000)	(16,101,000)
Standardized measure of discounted future net cash flows	35,290,000	48,559,000
Changes in the Standardized Measure of Discounted Future Net Cash Flows
Beginning of year	48,559,000	49,626,000
Sales of oil and natural gas produced, net of production costs	(14,165,000)	(17,400,000)
Net changes in prices and production costs, net of royalties and wellhead taxes	(17,851,000)	2,461,000
Extensions and discoveries	2,312,000	4,407,000
Revisions of previous quantity estimates	4,084,000	2,030,000
Net change in income taxes	5,171,000	479,000
Accretion of discount	5,129,000	4,919,000
Other - changes in the timing of future production and other	(307,000)	1,578,000
Other - net change in Canadian dollar translation rate	2,358,000	459,000
Net Change	(13,269,000)	(1,067,000)
End of year	$ 35,290,000	$ 48,559,000
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	1,184,000	1,272,000
Revisions of previous estimates	97,000	42,000
Extensions, discoveries and other additions	56,000	120,000
Less production	(259,000)	(250,000)
Balance at the end of the period	1,078,000	1,184,000
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	14,943,000	17,867,000
Revisions of previous estimates	(1,121,000)	(298,000)
Extensions, discoveries and other additions	40,000	324,000
Less production	(2,753,000)	(2,950,000)
Balance at the end of the period	11,109,000	14,943,000