Taxation - Schedule of Reconciliation Between the Hong Kong Statutory Tax Rates to Income Before Income Taxes Benefit (Details) - USD ($) |
6 Months Ended | |
|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
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| Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest [Abstract] | ||
| Income/(Loss) before income taxes expense | $ 16,653,306 | $ (3,682,036) |
| Income tax statutory rate | 16.50% | 16.50% |
| Income tax expense/(benefit) at statutory tax rate | $ 2,747,795 | $ (607,534) |
| Reconciling items: | ||
| Effect of tax-exempt for subsidiaries incorporated in Cayman Islands and BVI | 772,768 | 549,045 |
| Unrealized gain on change in fair value of XAUt | (3,520,563) | |
| Effect on different tax rates | 9,599 | |
| Effect of non-deductible item | 1,942 | |
| Total income taxes (benefit) expense | $ (46,948) | |
| Effective income tax rate | 1.28% | |
| X | ||||||||||
- Definition Amount of effect of tax-exempt for subsidiaries incorporated in Cayman Islands and BVI. No definition available.
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| X | ||||||||||
- Definition Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. No definition available.
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| X | ||||||||||
- Definition Amount of the increase (decrease) in fair value of the hedged item in a fair value hedge recognized in the income statement. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Percentage of domestic federal statutory tax rate applicable to pretax income (loss). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Amount, before tax, of income (loss) including portion attributable to noncontrolling interest. Includes, but is not limited to, income (loss) from continuing operations, discontinued operations and equity method investments. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to foreign income tax expense (benefit). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from continuing operations. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to nondeductible expenses. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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