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INCOME TAXES - Additional Information (Details) - USD ($)			12 Months Ended
	Dec. 22, 2017	Dec. 21, 2017	Sep. 30, 2021	Sep. 30, 2020
Operating Loss Carryforwards [Line Items]
Income tax NOL carryforwards			$ 38,676,405	$ 31,413,378
Federal statutory tax rate	21.00%	35.00%	21.00%
Measurement period of tax reform			1 year
Unrecognized tax benefits			$ 15,200,000
Federal
Operating Loss Carryforwards [Line Items]
Income tax NOL carryforwards			192,657,535	193,000,000
California
Operating Loss Carryforwards [Line Items]
Income tax NOL carryforwards			$ 191,722,566	$ 192,000,000

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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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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