REVENUE FROM CONTRACTS WITH CUSTOMERS – DISCONTINUED OPERATIONS (Details) - Disaggregation of Revenue - Discontinued Operations [Member] - USD ($)	3 Months Ended	6 Months Ended
Mar. 31, 2021	Mar. 31, 2020	Mar. 31, 2021	Mar. 31, 2020
Disaggregation of Revenue [Line Items]
Revenue	$ 0	$ 625,636	$ 0	$ 826,022
Commercial [Member]
Disaggregation of Revenue [Line Items]
Revenue	0	598,246	0	780,062
Residential [Member]
Disaggregation of Revenue [Line Items]
Revenue	$ 0	$ 27,390	$ 0	$ 45,960

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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+ Details