13. MAJOR CUSTOMERS AND VENDORS (Additional Information) (Details) - Minimum [Member]	3 Months Ended		6 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2022	Mar. 31, 2021
Digital Currency Mining [Member]
Representation of company's revenue, percent	10.00%	10.00%	10.00%	10.00%
Energy [Member]
Representation of company's revenue, percent	10.00%	10.00%	10.00%	10.00%
Company's Suppliers [Member]
Representation of company's direct material cost, percent	10.00%	10.00%	10.00%	10.00%