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2. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Schedule of Impairment Losses (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2022
Accounting Policies [Abstract]
Impairment of bitcoin	$ 0	$ 7,163	$ 12,210
Impairment expense - goodwill	0	0	12,048
Total impairment loss	$ 0	$ 7,163	$ 24,258

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Total loss recognized during the period from the impairment of goodwill plus the loss recognized in the period resulting from the impairment of the carrying amount of intangible assets, other than goodwill.

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Amount of impairment loss from asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized.

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Amount of impairment loss resulting from write-down of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit to fair value.

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