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The following table summarizes the changes in the Company’s investments in AVLP, Alzamend and Ault & Company during the nine months ended September 30, 2021: (Details) - USD ($)	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020
Restructuring Cost and Reserve [Line Items]
Fair Value Adjustment of Warrants	$ (259,000)		$ 130,000	$ 6,000
Avalanche International Corp And Alzamend [Member]
Restructuring Cost and Reserve [Line Items]
[custom:TotalInvestmentInNet1-1]			16,807,000
[custom:InvestmentInConvertiblePromissoryNotes]			2,494,000
[custom:PaymentOfConvertiblePromissoryNotesOfAvlp]			(50,000)
[custom:InvestmentInConvertiblePromissoryNoteOfAlzamend]			2,500,000		$ 50,000
[custom:InvestmentInCommonStock1]			16,118,000
[custom:InvestmentInWarrantsOfAlzamend]			1,490,000
[custom:ShortTermAdvanceInAlzamend]			(750,000)		750,000
Fair Value Adjustment of Warrants			2,786,000
[custom:UnrealizedGainOnWarrant]			(7,772,000)
[custom:UnrealizedLossInWarrantsOfAlzamend]			2,568,000
[custom:UnrealizedLossInCommonStockOfAvlpAndAlzamend]			3,582,000
Standardized Measure of Discounted Future Net Cash Flow Relating to Proved Oil and Gas Reserves, Accretion of Discount			4,213,000
Investment Income, Interest			119,000
[custom:TotalInvestmentInNet1-2]	44,105,000		44,105,000		16,807,000
Avalanche International Corp And Alzamend [Member] | Warrants And Common Stock [Member]
Restructuring Cost and Reserve [Line Items]
[custom:TotalInvestmentInNet1-1]			6,139,000
[custom:InvestmentInConvertiblePromissoryNotes]
[custom:PaymentOfConvertiblePromissoryNotesOfAvlp]
[custom:InvestmentInConvertiblePromissoryNoteOfAlzamend]
[custom:InvestmentInCommonStock1]			16,118,000
[custom:InvestmentInWarrantsOfAlzamend]			1,490,000
[custom:ShortTermAdvanceInAlzamend]
Fair Value Adjustment of Warrants			2,786,000
[custom:UnrealizedGainOnWarrant]			(7,772,000)
[custom:UnrealizedLossInWarrantsOfAlzamend]			2,568,000
[custom:UnrealizedLossInCommonStockOfAvlpAndAlzamend]			3,582,000
Standardized Measure of Discounted Future Net Cash Flow Relating to Proved Oil and Gas Reserves, Accretion of Discount
Investment Income, Interest
[custom:TotalInvestmentInNet1-2]	24,911,000		24,911,000		6,139,000
Avalanche International Corp And Alzamend [Member] | Convertible Promissory Note [Member]
Restructuring Cost and Reserve [Line Items]
[custom:TotalInvestmentInNet1-1]			10,668,000
[custom:InvestmentInConvertiblePromissoryNotes]			2,494,000
[custom:PaymentOfConvertiblePromissoryNotesOfAvlp]			(50,000)
[custom:InvestmentInConvertiblePromissoryNoteOfAlzamend]			2,500,000
[custom:ShortTermAdvanceInAlzamend]			(750,000)
Standardized Measure of Discounted Future Net Cash Flow Relating to Proved Oil and Gas Reserves, Accretion of Discount			4,213,000
Investment Income, Interest			119,000
[custom:TotalInvestmentInNet1-2]	$ 19,194,000		$ 19,194,000		$ 10,668,000

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