INCOME TAXES (Details) - USD ($)	12 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Components of earnings (loss) before income taxes, after adjusting the earnings (loss) for non-controlling interests
United States	$ (2,414,000)	$ 739,000
Canada	1,400,000	5,121,000
Total	(1,014,000)	5,860,000
Current provision (benefit): United States - Federal
Before operating loss carryforwards	0	727,000
Benefit of operating loss carryforwards	0	(665,000)
After operating loss carryforwards	0	62,000
Current provision (benefit): United States - State
Before operating loss carryforwards	47,000	518,000
Benefit of operating loss carryforwards	0	(62,000)
After operating loss carryforwards	47,000	456,000
Current provision (benefit): Canadian
Before operating loss carryforwards	274,000	510,000
Benefit of operating loss carryforwards	(244,000)	(510,000)
After operating loss carryforwards	30,000	0
Total current	77,000	518,000
Deferred benefit:
United States – State	(130,000)	(171,000)
Total deferred	(130,000)	(171,000)
Total	$ (53,000)	347,000
Income Tax Uncertainties [Abstract]
Income tax penalties and interest expense		62,000
Reconciliation between the reported income tax provision (benefit) and the amount computed by multiplying the earnings (loss) attributable to the entity by the U.S. federal tax rate
U.S. federal tax rate	21.00%
Tax (benefit) provision computed by applying statutory rate	$ (213,000)	1,231,000
Increase (decrease) in the valuation allowance	182,000	(1,450,000)
Additional effect of the foreign tax provision on the total tax provision	(4,000)	130,000
U.S. state income tax (benefit) provision, net of federal effect	(9,000)	330,000
U.S. state provision to tax return adjustments	(106,000)	(45,000)
Uncertain tax positions	0	62,000
Other	97,000	89,000
Total	(53,000)	347,000
Deferred income tax assets:
Foreign tax credit carryover under U.S. tax law	928,000	953,000
U.S. federal net operating loss carryover	9,406,000	8,258,000
U.S. state unitary net operating loss carryovers	1,177,000	1,117,000
Canadian net operating loss carryovers	1,025,000	877,000
Tax basis of investment in land in excess of book basis under U.S. tax law	25,000	26,000
Property and equipment accumulated book depreciation and depletion in excess of tax under U.S. tax law	275,000	568,000
Asset retirement obligation accrued for books but not for tax under U.S. tax law	1,084,000	959,000
Asset retirement obligation accrued for books but not for tax under Canadian tax law	2,461,000	2,120,000
Other liabilities accrued for books but not for tax under U.S. tax law	612,000	634,000
Foreign currency loss under U.S. tax law	68,000	102,000
Foreign currency loss under Canadian tax law	81,000	124,000
Other	116,000	278,000
Total gross deferred income tax assets	17,258,000	16,016,000
Less Valuation allowance	(12,439,000)	(12,608,000)
Net deferred income tax assets	4,819,000	3,408,000
Deferred income tax liabilities:
Property and equipment accumulated tax depreciation and depletion in excess of book under Canadian tax law	(926,000)	(280,000)
Book basis of investment in land development partnerships in excess of tax basis under U.S. tax law	(133,000)	(545,000)
Book basis of investment in land development partnerships in excess of tax basis under U.S. state non-unitary tax law	(40,000)	(166,000)
U.S. oil and gas property and equipment accumulated tax depreciation and depletion in excess of book under U.S. tax law	(906,000)	(121,000)
U.S. oil and gas property and equipment accumulated tax depreciation and depletion in excess of book under U.S. state tax law	(19,000)	(23,000)
U.S. tax law impact of foreign branch deferred tax asset under Canadian tax law	(1,655,000)	(1,465,000)
Retirement plan asset accrued for books but not for tax under U.S. tax law	(939,000)	(711,000)
Other	(259,000)	(285,000)
Total deferred income tax liabilities	(4,877,000)	(3,596,000)
Net deferred income tax liability	(58,000)	(188,000)
Net deferred income tax liability included in Consolidated Balance Sheets:
Deferred income tax assets	0	0
Deferred income tax liabilities	(58,000)	(188,000)
Net deferred income tax liability	(58,000)	(188,000)
Valuation allowance, other disclosures
Decrease in valuation allowance	(169,000)
Income tax (benefit) expense recognized in valuation allowance change	(4,000)
Change in valuation allowance charged to accumulated other comprehensive income	(165,000)
Changes in unrecognized tax benefits
Balance at the beginning of year	62,000	0
Effect of tax positions taken in prior years	0	60,000
Accrued interest related to tax positions taken	0	2,000
Balance at the end of year	62,000	$ 62,000
Federal
Tax carryovers
Tax credit carryovers	928,000
Operating loss carryovers	44,790,000
State and Local Jurisdiction
Tax carryovers
Operating loss carryovers	18,387,000
Foreign
Tax carryovers
Operating loss carryovers	$ 3,816,000