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Investments in Alzamend and Ault & Company at March 31, 2022 and December 31, 2021, were comprised of the following: (Details) - USD ($)	3 Months Ended	12 Months Ended
	Mar. 31, 2022	Dec. 31, 2021
Restructuring Cost and Reserve [Line Items]
Accrued interest receivable Ault & Company and Alzamend	$ 153,000	$ 170,000
Avalanche International Corp and Alzamend [Member]
Restructuring Cost and Reserve [Line Items]
Interest Rate On Promissory Note One	8.00%
Due date	Dec. 31, 2022
Investment in promissory note of Ault & Company	$ 2,500,000	2,500,000
Other		172,000
Total investment in promissory notes, related parties	2,653,000	2,842,000
Investment in common stock and options of Alzamend	$ 8,729,000	$ 13,230,000

X

- Definition

The element represents accrued interest receivable ault company and alzamend.

+ References

No definition available.

+ Details

Name:	dpw_AccruedInterestReceivableAultCompanyAndAlzamend
Namespace Prefix:	dpw_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

The element represents due date promissory note one of avlp.

+ References

No definition available.

+ Details

Name:	dpw_DueDatePromissoryNoteOneOfAvlp
Namespace Prefix:	dpw_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The element represents interest rate on promissiry note one of avlp.

+ References

No definition available.

+ Details

Name:	dpw_InterestRateOnPromissiryNoteOneOfAvlp
Namespace Prefix:	dpw_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The element represents investment in common stock one.

+ References

No definition available.

+ Details

Name:	dpw_InvestmentInCommonStockOne
Namespace Prefix:	dpw_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

The element represents investment in convertible promissory note other.

+ References

No definition available.

+ Details

Name:	dpw_InvestmentInConvertiblePromissoryNoteOther
Namespace Prefix:	dpw_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

The element represents investment in promissory note of ault company.

+ References

No definition available.

+ Details

Name:	dpw_InvestmentInPromissoryNoteOfAultCompany
Namespace Prefix:	dpw_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

The element represents total investment in convertible promissory note of avlp1.

+ References

No definition available.

+ Details

Name:	dpw_TotalInvestmentInConvertiblePromissoryNoteOfAvlp1
Namespace Prefix:	dpw_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: