13. MAJOR CUSTOMERS AND VENDORS (Tables)

6 Months Ended

Mar. 31, 2022

Accounting Policies [Abstract]

16. MAJOR CUSTOMERS AND VENDORS - Digital currency mining segment major customers

For these purposes customers are defined as the Company’s mining pool operators.

	Three Months Ended
		March 31, 2022			March 31, 2021
Mining Pool Operator A			99.99	%		—
Mining Pool Operator B			0.01	%		100.00	%

For the six months ended March 31, 2022 and 2021, the digital currency mining business had the following customers that represented more than 10% of revenue. For these purposes customers are defined as the Company’s mining pool operators.

	Six Months Ended
		March 31, 2022			March 31, 2021
Mining Pool Operator A			99.95	%		—
Mining Pool Operator B			0.05	%		100.00	%

16. MAJOR CUSTOMERS AND VENDORS - Digital currency mining segment major suppliers

Company had the following significant suppliers of mining equipment.

	Three Months Ended
		March 31, 2022			March 31, 2021
Vendor A			90.85	%		—
Vendor B			—			57.94	%
Vendor C			—			23.69	%
Vendor D			—			18.37	%

For the six months ended March 31, 2022 and 2021, the Company had the following significant suppliers of mining equipment.

	Six Months Ended
		March 31, 2022			March 31, 2021
Vendor A			71.70	%		—
Vendor B			24.03	%		—
Vendor C			—			46.77	%
Vendor D			—			27.49	%
Vendor E			—			14.91	%

16. MAJOR CUSTOMERS AND VENDORS - Energy segment major customers

energy business had the following customers that represented more than 10% of revenue.

	Three Months Ended
		March 31, 2022			March 31, 2021
Customer A			37.39	%		39.06	%
Customer B			—			12.47	%
Customer C			—			10.17	%

For the six months ended March 31, 2022 and 2021, the energy business had the following customers that represented more than 10% of revenue.

	Six Months Ended
		March 31, 2022			March 31, 2021
Customer A			30.01	%		56.00	%
Customer B			—			12.25	%

16. MAJOR CUSTOMERS AND VENDORS - Energy segment major suppliers

Company had the following suppliers that represented more than 10% of direct material costs.

	Three Months Ended
		March 31, 2022			March 31, 2021
Vendor A			20.23	%		22.24	%
Vendor B			17.82	%		—
Vendor C			12.06	%		—
Vendor D			—			23.90	%

For the six months ended March 31, 2022 and 2021, the Company had the following suppliers that represented more than 10% of direct material costs.

	Six Months Ended
		March 31, 2022			March 31, 2021
Vendor A			38.87	%		—
Vendor B			11.76	%		—
Vendor C			—			15.62	%
Vendor D			—			14.54	%
Vendor E			—			12.91	%