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SEGMENT INFORMATION (Details) - USD ($) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Jun. 30, 2022 | Jun. 30, 2021 | Jun. 30, 2022 | Jun. 30, 2021
Revenues: |  |  |  |
Revenue before interest income | $ 8,028,000 | $ 5,108,000 | $ 20,159,000 | $ 13,493,000
Interest income | 0 | 6,000 | 2,000 | 6,000
Total revenues | 8,028,000 | 5,114,000 | 20,161,000 | 13,499,000
Depletion, depreciation, and amortization: |  |  |  |
Depletion, depreciation, and amortization | 814,000 | 235,000 | 1,915,000 | 738,000
Asset Impairment Charges |  |  |  |
Impairment of assets | 0 | 0 | 0 | 630,000
Operating profit (loss) (before general and administrative expenses): |  |  |  |
Operating profit (loss) (before general and administrative expenses) | 3,945,000 | 2,130,000 | 9,035,000 | 3,615,000
Equity in income of affiliates: |  |  |  |
Equity in income of affiliates | 433,000 | 3,348,000 | 3,400,000 | 5,026,000
General and administrative expenses | (1,713,000) | (2,227,000) | (5,784,000) | (5,340,000)
Interest expense | (1,000) | (2,000) | (1,000) | (6,000)
Interest income | 0 | 6,000 | 2,000 | 6,000
Gain on debt extinguishment | 0 | 149,000 | 0 | 149,000
Gain on termination of post-retirement medical plan | 0 | 2,341,000 | 0 | 2,341,000
Earnings before income taxes | 2,664,000 | 5,745,000 | 6,652,000 | 5,791,000
Intersegment eliminations |  |  |  |
Revenues: |  |  |  |
Total revenues |  |  | 0 |
Oil and natural gas |  |  |  |
Revenues: |  |  |  |
Revenue before interest income | 7,292,000 | 2,887,000 | 16,345,000 | 7,326,000
Total revenues | 7,292,000 | 2,887,000 | 16,345,000 | 7,326,000
Depletion, depreciation, and amortization: |  |  |  |
Depletion, depreciation, and amortization | 772,000 | 155,000 | 1,785,000 | 496,000
Asset Impairment Charges |  |  |  |
Impairment of assets | 0 | 0 | 0 | 630,000
Operating profit (loss) (before general and administrative expenses): |  |  |  |
Operating profit (loss) (before general and administrative expenses) | 4,123,000 | 1,015,000 | 8,121,000 | 1,289,000
Contract drilling |  |  |  |
Revenues: |  |  |  |
Revenue before interest income | 736,000 | 889,000 | 2,430,000 | 4,220,000
Total revenues | 736,000 | 889,000 | 2,430,000 | 4,220,000
Depletion, depreciation, and amortization: |  |  |  |
Depletion, depreciation, and amortization | 41,000 | 76,000 | 129,000 | 229,000
Operating profit (loss) (before general and administrative expenses): |  |  |  |
Operating profit (loss) (before general and administrative expenses) | (177,000) | (213,000) | (469,000) | 392,000
Land investment |  |  |  |
Revenues: |  |  |  |
Revenue before interest income | 0 | 1,253,000 | 1,295,000 | 1,738,000
Total revenues | 0 | 1,253,000 | 1,295,000 | 1,738,000
Operating profit (loss) (before general and administrative expenses): |  |  |  |
Operating profit (loss) (before general and administrative expenses) | 0 | 1,253,000 | 1,295,000 | 1,738,000
Other |  |  |  |
Revenues: |  |  |  |
Revenue before interest income | 0 | 79,000 | 89,000 | 209,000
Total revenues | 0 | 85,000 | 91,000 | 215,000
Depletion, depreciation, and amortization: |  |  |  |
Depletion, depreciation, and amortization | 1,000 | 4,000 | 1,000 | 13,000
Operating profit (loss) (before general and administrative expenses): |  |  |  |
Operating profit (loss) (before general and administrative expenses) | $ (1,000) | $ 75,000 | $ 88,000 | $ 196,000

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