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3. ACQUISITIONS - Summary of SWS Purchase Price Allocation (Details) - USD ($)	Jun. 30, 2022	Sep. 30, 2021	Feb. 24, 2021
Business Acquisition [Line Items]
Goodwill	$ 12,048,419	$ 12,048,419
Solar Watt Solutions [Member]
Business Acquisition [Line Items]
Finite-Lived Customer Lists, Gross			$ 5,122,733
Goodwill			1,642,409
Business Combination, Assets and Liabilities Arising from Contingencies, Amount Recognized, Other than at Fair Value, Net			(77,235)
Acquisition Costs, Cumulative			6,687,907
Solar Watt Solutions [Member] \| Final Allocation [Member]
Business Acquisition [Line Items]
Finite-Lived Customer Lists, Gross			190,000
Goodwill			6,820,535
Business Combination, Assets and Liabilities Arising from Contingencies, Amount Recognized, Other than at Fair Value, Net			(322,628)
Acquisition Costs, Cumulative			6,687,907
Solar Watt Solutions [Member] \| Adjustments To Fair Value [Member]
Business Acquisition [Line Items]
Finite-Lived Customer Lists, Gross			(4,932,733)
Goodwill			5,178,126
Business Combination, Assets and Liabilities Arising from Contingencies, Amount Recognized, Other than at Fair Value, Net			(245,393)
Acquisition Costs, Cumulative			$ 0