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DISCONTINUED OPERATIONS - NARRATIVE (Details) - USD ($) $ in Thousands			3 Months Ended		9 Months Ended
	Aug. 13, 2025	Mar. 14, 2025	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024	Sep. 30, 2024
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Promissory note, principal amount			$ 450		$ 450		$ 0
Note receivable			450		450		$ 0
Discontinued Operations, Disposed of by Sale \| Water Resources
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Aggregate purchase price		$ 1,050
Initial cash proceeds received		250
Promissory note, principal amount		800	450		450
Note receivable		$ 800	450		450
Loss on sale of discontinued operations			$ 0	$ 0	$ (193)	$ 0
Discontinued Operations, Disposed of by Sale \| Water Resources \| Promissory Note
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Promissory note, interest rate		0.00%
Discontinued Operations, Disposed of by Sale \| Water Resources \| Promissory Note \| Triggering Event Due May 15, 2025
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Principal payments on promissory note		$ 200
Discontinued Operations, Disposed of by Sale \| Water Resources \| Promissory Note \| Triggering Event Due June 16, 2025
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Principal payments on promissory note		150
Discontinued Operations, Disposed of by Sale \| Water Resources \| Promissory Note \| Triggering Event Due July 15, 2025
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Principal payments on promissory note		150
Discontinued Operations, Disposed of by Sale \| Water Resources \| Promissory Note \| Triggering Event Due August 15, 2025
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Principal payments on promissory note		150
Discontinued Operations, Disposed of by Sale \| Water Resources \| Promissory Note \| Triggering Event Due September 15, 2025
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Principal payments on promissory note		$ 150
Discontinued Operations, Disposed of by Sale \| Water Resources \| Promissory Note \| Subsequent Event \| Triggering Event Due August 15, 2025
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Promissory note, interest rate	12.00%
Discontinued Operations, Disposed of by Sale \| Water Resources \| Promissory Note \| Subsequent Event \| Triggering Event Due December 15, 2025
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Principal payments on promissory note	$ 100
Promissory note, interest rate	18.00%
Discontinued Operations, Disposed of by Sale \| Water Resources \| Promissory Note \| Subsequent Event \| Triggering Event Due February 15, 2026
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Principal payments on promissory note	$ 50
Discontinued Operations, Disposed of by Sale \| Water Resources \| Promissory Note \| Subsequent Event \| Triggering Event Due March 15, 2026
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Principal payments on promissory note	$ 150