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SUBSEQUENT EVENTS (Details) - USD ($) $ in Thousands | 1 Months Ended | 2 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | --- | ---
Aug. 13, 2021 | Jun. 30, 2021 | Jun. 30, 2021 | Jun. 30, 2020 | Jul. 08, 2021 | Sep. 30, 2020
Subsequent Event [Line Items] |  |  |  |  |  |
Proceeds from the sale of oil and natural gas assets |  |  | $ 60 | $ 608 |  |
Income taxes receivable |  | $ 59 | 59 |  |  | $ 472
At The Market Offering |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |
Common shares sold (in shares) |  | 586,546 |  |  |  |
Proceeds from sale of common stock |  | $ 1,860 |  |  |  |
Stock issuance costs, commission and fees |  | $ 59 |  |  |  |
Investment in land development partnerships |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |
Cash distribution from equity method investment |  |  | $ 5,328 | $ 0 |  |
Subsequent Event | At The Market Offering |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |
Common shares sold (in shares) | 581,441 |  |  |  |  |
Proceeds from sale of common stock | $ 1,924 |  |  |  |  |
Stock issuance costs, commission and fees | 64 |  |  |  |  |
Subsequent Event | Barnwell Industries Inc | Spirit River, Alberta Canada |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |
Proceeds from the sale of oil and natural gas assets | 1,047 |  |  |  |  |
Income taxes receivable |  |  |  |  | $ 524 |
Subsequent Event | Investment in land development partnerships |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |
Cash distribution from equity method investment | $ 683 |  |  |  |  |

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