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4. DISCONTINUED OPERATIONS - Summary of Income statement (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022
Revenues, net |  |
Energy hardware, software and services revenue | $ 0 | $ 101
Costs and expenses |  |
Cost of revenues (exclusive of depreciation and amortization shown below) | 0 | 48
Payroll expenses | 0 | 274
General and administrative expenses | 0 | 31
Total costs and expenses | 0 | 353
Loss from operations | 0 | (252)
Other income (expense) |  |
Gain on disposal of assets |  | 1,710
Interest expense | 0 | (1)
Total other income (expense) | 0 | 1,709
Income before income tax (expense) benefit | 0 | 1,457
Income tax benefit (expense) | 0 | 0
Net income attributable to common shareholders | $ 0 | $ 1,457

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- Definition Amount of costs of goods sold attributable to disposal group, including, but not limited to, discontinued operation. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 205 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 7 -Publisher FASB -URI https://asc.fasb.org//1943274/2147483499/205-20-50-7 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 205 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 5B -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483499/205-20-50-5B + Details
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