14. INCOME TAXES - Schedule of Deferred Tax Assets (Details) - USD ($) $ in Millions	Sep. 30, 2021	Sep. 30, 2020
Income Tax Disclosure [Abstract]
Cumulative tax net operating losses (in millions)	$ 184.6	$ 52.5
Deferred tax asset (in millions)	38.8	11.0
Valuation allowance (in millions)	(38.8)	(11.0)
Current taxes payable
Income tax expense

Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.

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-Publisher FASB
-Name Accounting Standards Codification
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Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary differences from provisions, reserves, allowances, and accruals, classified as other.

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Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

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Carrying value as of the balance sheet date of obligations incurred and payable for statutory income, sales, use, payroll, excise, real, property and other taxes. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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