14. SEGMENT REPORTING - Segment Information (Details)	3 Months Ended			6 Months Ended
	Mar. 31, 2022 USD ($)	Mar. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Mar. 31, 2022 USD ($) Segment	Mar. 31, 2021 USD ($)	Sep. 30, 2021 USD ($)
Segment Reporting Information [Line Items]
Number of Reportable Segments | Segment				2
Revenues	$ 41,637,992	$ 8,119,688		$ 82,879,961	$ 10,377,258
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	(163,084)	7,222,535		14,026,173	55,005
Net income (loss)	(170,735)	7,400,040	$ (7,167,530)	14,315,020	232,510
Assets	424,797,304			424,797,304		$ 317,473,121
Energy [Member]
Segment Reporting Information [Line Items]
Revenues	4,585,971	1,313,530		8,556,181	2,827,233
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	(945,534)	(292,023)		(1,931,774)	(389,853)
Assets	25,267,292	17,507,314		25,267,292	17,507,314
Property and Equipment	13,939	70,688		29,993	83,554
Intangibles		190,000			190,000
Total	13,939	260,688		29,993	273,554
Digital Currency Mining [Member]
Segment Reporting Information [Line Items]
Revenues	36,965,739	6,715,792		73,940,317	7,449,202
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	28,476,493	6,251,287		59,809,483	7,107,416
Assets	375,183,757	270,995,942		375,183,757	270,995,942
Property and Equipment	97,273,057	9,001,813		168,566,562	10,259,396
Intangibles
Total	97,273,057	9,001,813		168,566,562	10,259,396
Total [Member]
Segment Reporting Information [Line Items]
Revenues	41,551,710	8,029,322		82,496,498	10,276,435
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	29,422,027	6,543,310		61,741,257	7,497,269
Assets	424,797,304	317,473,121		424,797,304	317,473,121
Other Revenue And Eliminations [Member]
Segment Reporting Information [Line Items]
Revenues	86,282	90,366		383,463	100,824
Consolidated Revenues [Member]
Segment Reporting Information [Line Items]
Revenues	41,637,992	8,119,688		82,879,961	10,377,259
Corporate Items And Eliminations [Member]
Segment Reporting Information [Line Items]
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	(29,592,762)	856,730		(47,426,237)	(7,264,759)
Corporate Segment [Member]
Segment Reporting Information [Line Items]
Property and Equipment	78,393	1,945		148,202	8,160
Intangibles	15,000			15,000
Total	93,393	1,945		163,202	8,160
Other and Corporate Assets [Member]
Segment Reporting Information [Line Items]
Assets	$ 24,346,255	$ 28,969,865		$ 24,346,255	$ 28,969,865