14. DISCONTINUED OPERATIONS - Summary of Income statment (Details) - USD ($)	3 Months Ended		9 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Revenues, net
Energy hardware, software and services revenue	$ 601,001	$ 2,863,997	$ 9,157,184	$ 4,985,062
Total revenues, net	601,001	2,863,997	9,157,184	4,985,062
Costs and expenses
Cost of revenues (exclusive of depreciation and amortization shown below)	658,890	2,701,536	7,317,012	4,566,077
Professional fees	1,257	107,747	63,819	381,497
Payroll expenses	1,172,738	870,834	4,005,599	2,988,328
General and administrative expenses	520,574	235,999	996,595	685,089
Impairment expense - fixed assets	31,833	0	31,833	0
Impairment expense - intangibles	1,402,016	0	1,402,016	0
Impairment expense - other	2,144,284	0	2,144,284	0
Impairment expense - goodwill	7,000,779	0	7,000,779	0
Depreciation and amortization	771,695	1,549,308	2,282,440	3,329,075
Total costs and expenses	13,704,066	5,465,424	25,244,377	11,950,066
Income (loss) from operations	(13,103,065)	(2,601,427)	(16,087,193)	(6,965,004)
Other income (expense)
Other income	0	27	0	782
Interest expense	(1,082)	(732)	(2,800)	(3,039)
Total other income (expense)	(1,082)	(705)	(2,800)	(2,257)
Income (loss) before income tax (expense) or benefit	(13,104,147)	(2,602,132)	(16,089,993)	(6,967,261)
Income tax (expense) or benefit	0	0	0	0
Net loss	$ (13,104,147)	$ (2,602,132)	$ (16,089,993)	$ (6,967,261)