REVENUE FROM CONTRACTS WITH CUSTOMERS (Tables)

12 Months Ended

Sep. 30, 2023

Revenue from Contract with Customer [Abstract]

Summary of disaggregation of revenue

The following tables provide information about disaggregated revenue by revenue streams, reportable segments, geographical region, and timing of revenue recognition for the years ended September 30, 2023 and 2022.

		Year ended September 30, 2023
		Oil and natural gas		Contract drilling		Land investment		Other		Total
Revenue streams:
	Oil	$	14,259,000	$	—	$	—	$	—	$	14,259,000
	Natural gas	3,441,000		—		—		—		3,441,000
	Natural gas liquids	1,676,000		—		—		—		1,676,000
	Drilling and pump	—		5,427,000		—		—		5,427,000
	Contingent residual payments	—		—		265,000		—		265,000
	Other	—		—		—		114,000		114,000
	Total revenues before interest income	$	19,376,000	$	5,427,000	$	265,000	$	114,000	$	25,182,000
Geographical regions:
	United States	$	2,746,000	$	5,427,000	$	265,000	$	10,000	$	8,448,000
	Canada	16,630,000		—		—		104,000		16,734,000
	Total revenues before interest income	$	19,376,000	$	5,427,000	$	265,000	$	114,000	$	25,182,000
Timing of revenue recognition:
	Goods transferred at a point in time	$	19,376,000	$	—	$	265,000	$	114,000	$	19,755,000
	Services transferred over time	—		5,427,000		—		—		5,427,000
	Total revenues before interest income	$	19,376,000	$	5,427,000	$	265,000	$	114,000	$	25,182,000

		Year ended September 30, 2022
		Oil and natural gas		Contract drilling		Land investment		Other		Total
Revenue streams:
	Oil	$	15,747,000	$	—	$	—	$	—	$	15,747,000
	Natural gas	4,527,000		—		—		—		4,527,000
	Natural gas liquids	2,307,000		—		—		—		2,307,000
	Drilling and pump	—		4,540,000		—		—		4,540,000
	Contingent residual payments	—		—		1,295,000		—		1,295,000
	Other	—		—		—		111,000		111,000
	Total revenues before interest income	$	22,581,000	$	4,540,000	$	1,295,000	$	111,000	$	28,527,000
Geographical regions:
	United States	$	3,496,000	$	4,540,000	$	1,295,000	$	9,000	$	9,340,000
	Canada	19,085,000		—		—		102,000		19,187,000
	Total revenues before interest income	$	22,581,000	$	4,540,000	$	1,295,000	$	111,000	$	28,527,000
Timing of revenue recognition:
	Goods transferred at a point in time	$	22,581,000	$	—	$	1,295,000	$	111,000	$	23,987,000
	Services transferred over time	—		4,540,000		—		—		4,540,000
	Total revenues before interest income	$	22,581,000	$	4,540,000	$	1,295,000	$	111,000	$	28,527,000

Summary of contract with customer, asset and liability

The following table provides information about accounts receivables, contract assets and contract liabilities from contracts with customers:

	September 30,
	2023		2022		2021
Accounts receivables from contracts with customers	$	2,931,000	$	4,038,000	$	2,797,000
Contract assets	958,000		580,000		581,000
Contract liabilities	377,000		1,087,000		455,000