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LEASES - NARRATIVE (Details) | 1 Months Ended | 3 Months Ended | 6 Months Ended |
--- | --- | --- | --- | ---
Mar. 31, 2020 USD ($) a | Mar. 31, 2020 USD ($) a | Mar. 31, 2019 USD ($) | Mar. 31, 2020 USD ($) a | Mar. 31, 2019 USD ($) | Oct. 01, 2019 USD ($)
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |
Operating lease right-of-use assets | $ 292,000 | $ 292,000 |  | $ 292,000 |  |
Present value of lease liabilities | $ 298,000 | $ 298,000 |  | $ 298,000 |  |
Operating lease, area of land | a | 0.75 | 0.75 |  | 0.75 |  |
Proceeds from the sale of asset | $ 1,100,000 |  |  | $ 1,100,000 | $ 0 |
Gain on sale of asset |  | $ 1,336,000 | $ 0 | $ 1,336,000 | $ 0 |
Gain from the reversal of the storage yard's lease liability in excess of the right-of-use asset |  | $ 236,000 |  |  |  |
Accounting Standards Update 2016-02 |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |
Operating lease right-of-use assets |  |  |  |  |  | $ 2,589,000
Present value of lease liabilities |  |  |  |  |  | $ 2,589,000

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- Definition Gain (Loss) on Disposition of Assets, Reversal of Lease Liability in Excess of the Right-of-use Asset + References No definition available. + Details
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- Definition Operating Lease, Area Of Land + References No definition available. + Details
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- Definition Proceeds From Sale Of Operating Leased Assets + References No definition available. + Details
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- Definition Amount of gain (loss) on sale or disposal of assets, including but not limited to property plant and equipment, intangible assets and equity in securities of subsidiaries or equity method investee. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Present value of lessee's discounted obligation for lease payments from operating lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=77888419&loc=SL77918627-209977 + Details
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- Definition Amount of lessee's right to use underlying asset under operating lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=77888419&loc=SL77918627-209977 + Details
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