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REVENUE FROM CONTRACTS WITH CUSTOMERS REVENUE FROM CONTRACT WITH CUSTOMERS (Tables) | 6 Months Ended
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Mar. 31, 2020
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 three and six months ended March 31, 2020 and 2019.
|  | Three months ended March 31, 2020
|  | Oil and natural gas |  | Contract drilling |  | Land investment |  | Other |  | Total
Revenue streams: |  |  |  |  |  |  |  |  |
| Oil | $ | 1,478,000 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 1,478,000 |
| Natural gas | 307,000 |  |  | — |  |  | — |  |  | — |  |  | 307,000 |
| Natural gas liquids | 125,000 |  |  | — |  |  | — |  |  | — |  |  | 125,000 |
| Drilling and pump | — |  |  | 2,593,000 |  |  | — |  |  | — |  |  | 2,593,000 |
| Other | — |  |  | — |  |  | — |  |  | 70,000 |  |  | 70,000 |
| Total revenues before interest income | $ | 1,910,000 |  |  | $ | 2,593,000 |  |  | $ | — |  |  | $ | 70,000 |  |  | $ | 4,573,000 |
Geographical regions: |  |  |  |  |  |  |  |  |
| United States | $ | — |  |  | $ | 2,593,000 |  |  | $ | — |  |  | $ | — |  |  | $ | 2,593,000 |
| Canada | 1,910,000 |  |  | — |  |  | — |  |  | 70,000 |  |  | 1,980,000 |
| Total revenues before interest income | $ | 1,910,000 |  |  | $ | 2,593,000 |  |  | $ | — |  |  | $ | 70,000 |  |  | $ | 4,573,000 |
Timing of revenue recognition: |  |  |  |  |  |  |  |  |
| Goods transferred at a point in time | $ | 1,910,000 |  |  | $ | — |  |  | $ | — |  |  | $ | 70,000 |  |  | $ | 1,980,000 |
| Services transferred over time | — |  |  | 2,593,000 |  |  | — |  |  | — |  |  | 2,593,000 |
| Total revenues before interest income | $ | 1,910,000 |  |  | $ | 2,593,000 |  |  | $ | — |  |  | $ | 70,000 |  |  | $ | 4,573,000 |
|  | Three months ended March 31, 2019
|  | Oil and natural gas |  | Contract drilling |  | Land investment |  | Other |  | Total
Revenue streams: |  |  |  |  |  |  |  |  |
| Oil | $ | 1,477,000 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 1,477,000 |
| Natural gas | 336,000 |  |  | — |  |  | — |  |  | — |  |  | 336,000 |
| Natural gas liquids | 111,000 |  |  | — |  |  | — |  |  | — |  |  | 111,000 |
| Drilling and pump | — |  |  | 987,000 |  |  | — |  |  | — |  |  | 987,000 |
| Other | — |  |  | — |  |  | — |  |  | 40,000 |  |  | 40,000 |
| Total revenues before interest income | $ | 1,924,000 |  |  | $ | 987,000 |  |  | $ | — |  |  | $ | 40,000 |  |  | $ | 2,951,000 |
Geographical regions: |  |  |  |  |  |  |  |  |
| United States | $ | — |  |  | $ | 987,000 |  |  | $ | — |  |  | $ | 1,000 |  |  | $ | 988,000 |
| Canada | 1,924,000 |  |  | — |  |  | — |  |  | 39,000 |  |  | 1,963,000 |
| Total revenues before interest income | $ | 1,924,000 |  |  | $ | 987,000 |  |  | $ | — |  |  | $ | 40,000 |  |  | $ | 2,951,000 |
Timing of revenue recognition: |  |  |  |  |  |  |  |  |
| Goods transferred at a point in time | $ | 1,924,000 |  |  | $ | — |  |  | $ | — |  |  | $ | 40,000 |  |  | $ | 1,964,000 |
| Services transferred over time | — |  |  | 987,000 |  |  | — |  |  | — |  |  | 987,000 |
| Total revenues before interest income | $ | 1,924,000 |  |  | $ | 987,000 |  |  | $ | — |  |  | $ | 40,000 |  |  | $ | 2,951,000 |
|  | Six months ended March 31, 2020
|  | Oil and natural gas |  | Contract drilling |  | Land investment |  | Other |  | Total
Revenue streams: |  |  |  |  |  |  |  |  |
| Oil | $ | 3,203,000 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 3,203,000 |
| Natural gas | 629,000 |  |  | — |  |  | — |  |  | — |  |  | 629,000 |
| Natural gas liquids | 219,000 |  |  | — |  |  | — |  |  | — |  |  | 219,000 |
| Drilling and pump | — |  |  | 5,239,000 |  |  | — |  |  | — |  |  | 5,239,000 |
| Other | — |  |  | — |  |  | — |  |  | 126,000 |  |  | 126,000 |
| Total revenues before interest income | $ | 4,051,000 |  |  | $ | 5,239,000 |  |  | $ | — |  |  | $ | 126,000 |  |  | $ | 9,416,000 |
Geographical regions: |  |  |  |  |  |  |  |  |
| United States | $ | — |  |  | $ | 5,239,000 |  |  | $ | — |  |  | $ | 7,000 |  |  | $ | 5,246,000 |
| Canada | 4,051,000 |  |  | — |  |  | — |  |  | 119,000 |  |  | 4,170,000 |
| Total revenues before interest income | $ | 4,051,000 |  |  | $ | 5,239,000 |  |  | $ | — |  |  | $ | 126,000 |  |  | $ | 9,416,000 |
Timing of revenue recognition: |  |  |  |  |  |  |  |  |
| Goods transferred at a point in time | $ | 4,051,000 |  |  | $ | — |  |  | $ | — |  |  | $ | 126,000 |  |  | $ | 4,177,000 |
| Services transferred over time | — |  |  | 5,239,000 |  |  | — |  |  | — |  |  | 5,239,000 |
| Total revenues before interest income | $ | 4,051,000 |  |  | $ | 5,239,000 |  |  | $ | — |  |  | $ | 126,000 |  |  | $ | 9,416,000 |
|  | Six months ended March 31, 2019
|  | Oil and natural gas |  | Contract drilling |  | Land investment |  | Other |  | Total
Revenue streams: |  |  |  |  |  |  |  |  |
| Oil | $ | 2,373,000 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 2,373,000 |
| Natural gas | 498,000 |  |  | — |  |  | — |  |  | — |  |  | 498,000 |
| Natural gas liquids | 285,000 |  |  | — |  |  | — |  |  | — |  |  | 285,000 |
| Drilling and pump | — |  |  | 2,150,000 |  |  | — |  |  | — |  |  | 2,150,000 |
| Contingent residual payments | — |  |  | — |  |  | 165,000 |  |  | — |  |  | 165,000 |
| Other | — |  |  | — |  |  | — |  |  | 54,000 |  |  | 54,000 |
| Total revenues before interest income | $ | 3,156,000 |  |  | $ | 2,150,000 |  |  | $ | 165,000 |  |  | $ | 54,000 |  |  | $ | 5,525,000 |
Geographical regions: |  |  |  |  |  |  |  |  |
| United States | $ | — |  |  | $ | 2,150,000 |  |  | $ | 165,000 |  |  | $ | 1,000 |  |  | $ | 2,316,000 |
| Canada | 3,156,000 |  |  | — |  |  | — |  |  | 53,000 |  |  | 3,209,000 |
| Total revenues before interest income | $ | 3,156,000 |  |  | $ | 2,150,000 |  |  | $ | 165,000 |  |  | $ | 54,000 |  |  | $ | 5,525,000 |
Timing of revenue recognition: |  |  |  |  |  |  |  |  |
| Goods transferred at a point in time | $ | 3,156,000 |  |  | $ | — |  |  | $ | 165,000 |  |  | $ | 54,000 |  |  | $ | 3,375,000 |
| Services transferred over time | — |  |  | 2,150,000 |  |  | — |  |  | — |  |  | 2,150,000 |
| Total revenues before interest income | $ | 3,156,000 |  |  | $ | 2,150,000 |  |  | $ | 165,000 |  |  | $ | 54,000 |  |  | $ | 5,525,000 |
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:
| March 31, 2020 |  | September 30, 2019
Accounts receivables from contracts with customers | $ | 1,928,000 |  |  | $ | 1,322,000 |
Contract assets | 509,000 |  |  | 344,000 |
Contract liabilities | 1,141,000 |  |  | 1,633,000 |

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- Definition Tabular disclosure of contract balances and changes in contract balances. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130551-203045 + Details
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- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130545-203045 + Details
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