13. MAJOR CUSTOMERS AND VENDORS - Digital currency mining segment major suppliers (Details) - Customer Concentration Risk [Member] - Accounts Receivable [Member]	3 Months Ended		6 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2022	Mar. 31, 2021
Mining Vendor A [Member]
Concentration Risk, Percentage	90.85%	0.00%	71.70%	0.00%
Mining Vendor B [Member]
Concentration Risk, Percentage	0.00%	57.94%	24.03%	0.00%
Mining Vendor C [Member]
Concentration Risk, Percentage	0.00%	23.69%	0.00%	46.77%
Mining Vendor D [Member]
Concentration Risk, Percentage	0.00%	18.37%	0.00%	27.49%
Mining Vendor E [Member]
Concentration Risk, Percentage			0.00%	14.91%