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DISCONTINUED OPERATIONS - NARRATIVE (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended 12 Months Ended
Aug. 13, 2025
Mar. 14, 2025
Mar. 31, 2026
Mar. 31, 2025
Mar. 31, 2026
Mar. 31, 2025
Sep. 30, 2025
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]              
Promissory note, principal amount     $ 150   $ 150   $ 300
Accounts and other receivables     1,811   1,811   1,621
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   $ 800 150   150   300
Loss on sale of discontinued operations     $ 0 $ (193) 0 $ (193) (193)
Accounts and other receivables             $ 5
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]              
Interest expense         $ 22    
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]              
Promissory note, interest rate 12.00% 0.00%          
Discontinued Operations, Disposed of by Sale | Water Resources | Promissory Note | Triggering Event Due December 15, 2025              
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]              
Promissory note, interest rate 18.00%            
Principal payments on promissory note $ 100            
Discontinued Operations, Disposed of by Sale | Water Resources | Promissory Note | 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