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INVESTMENTS - SUMMARY OF INVESTMENTS (Details) - USD ($) $ in Thousands | Jun. 30, 2020 | Sep. 30, 2019
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Investment Holdings [Line Items] |  |
Total non-current investments | $ 801 | $ 980
Investment in Kukio Resort Land Development Partnerships |  |
Investment Holdings [Line Items] |  |
Total non-current investments | 751 | 930
Investment in leasehold land interest – Lot 4C |  |
Investment Holdings [Line Items] |  |
Total non-current investments | $ 50 | $ 50

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