17. SEGMENT REPORTING - Segment Information (Details) - USD ($)	3 Months Ended		12 Months Ended
	Jun. 30, 2021	Mar. 31, 2021	Sep. 30, 2021	Sep. 30, 2020
Segment Reporting Information [Line Items]
Revenues			$ 49,438,115	$ 10,028,701
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest			(21,994,904)	(23,346,143)
Net loss	$ (16,677,127)	$ 7,400,040	(21,812,010)	(23,346,143)
Assets	$ 297,488,821	$ 292,612,596	317,473,121	22,340,063
Capitalized software				84,924
Energy [Member]
Segment Reporting Information [Line Items]
Revenues			9,002,636	9,018,023
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest			(8,111,138)	(13,554,515)
Assets			17,507,314	13,621,190
Property Plant and Equipment			212,178	28,937
Intangibles			190,000	1,381,633
Capitalized software				84,924
Digital Currency Mining [Member]
Segment Reporting Information [Line Items]
Revenues			38,846,633
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest			23,198,270
Assets			270,995,942
Total [Member]
Segment Reporting Information [Line Items]
Revenues			47,849,269	9,018,023
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest			15,087,132	(13,554,515)
Other Revenue And Eliminations [Member]
Segment Reporting Information [Line Items]
Revenues			1,588,846	1,010,678
Consolidated Revenues [Member]
Segment Reporting Information [Line Items]
Revenues			49,438,115	10,028,701
Corporate Items And Eliminations [Member]
Segment Reporting Information [Line Items]
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest			(36,899,142)	(9,791,628)
Other Corporate Assets [Member]
Segment Reporting Information [Line Items]
Assets			28,969,865	8,718,873
Digital Currency [Member]
Segment Reporting Information [Line Items]
Property Plant and Equipment			144,743,498
Intangibles			9,881,838
Capitalized software
Corporate Segment [Member]
Segment Reporting Information [Line Items]
Property Plant and Equipment			972	18,108
Intangibles				833,000
Capitalized software