Change in fair value of secured convertible notes.

No definition available.

Name:	DGLY_ChangeInFairValueOfSecuredConvertibleNotes
Namespace Prefix:	DGLY_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Origination date at fair value of the Debentures.

+ References

No definition available.

+ Details

Name:	DGLY_OriginationDateAtFairValueOfDebentures
Namespace Prefix:	DGLY_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Repayment of principal by payment of cash.

+ References

No definition available.

+ Details

Name:	DGLY_RepamentOfPrincipalPeriodByPaymentOfCash
Namespace Prefix:	DGLY_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Repayment of principal by issuance of common stock.

+ References

No definition available.

+ Details

Name:	DGLY_RepaymentOfPrincipalByIssuanceOfCommonStock
Namespace Prefix:	DGLY_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The value of the financial instrument(s) that the original debt is being converted into in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=98513485&loc=d3e4304-108586

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=98513485&loc=d3e4332-108586

+ Details

Name:	us-gaap_DebtConversionConvertedInstrumentAmount1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount of the required periodic payments applied to principal.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

Name:	us-gaap_DebtInstrumentPeriodicPaymentPrincipal
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The cash inflow from the issuance of a long-term debt instrument which can be exchanged for a specified amount of another security, typically the entity's common stock, at the option of the issuer or the holder.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3255-108585

+ Details

Name:	us-gaap_ProceedsFromConvertibleDebt
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Carrying value as of the balance sheet date of the portion of long-term, collateralized debt obligations due within one year or the operating cycle, if longer. Such obligations include mortgage loans, chattel loans, and any other borrowings secured by assets of the borrower.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(16)(a)(1))
-URI http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(13))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(19))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

Name:	us-gaap_SecuredDebtCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Details

Name:	us-gaap_DebtInstrumentAxis=DGLY_TwoThousandNineteenSecuredConvertibleNotesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=DGLY_TwoThousandEighteenSecuredConvertibleNotesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Debt Obligations - Summary of Fair Value and Adjusted Carrying Value of Secured Convertible Notes (Details) - USD ($)		12 Months Ended
	Aug. 05, 2019	Dec. 31, 2019	Dec. 31, 2018
Secured convertible notes, beginning balance
Origination date at fair value of the Debentures			$ 9,067,513
Issuance of convertible notes on August 5, 2019, at fair value	$ 2,780,000	1,845,512
Conversions exercised during the period		(648,067)	(293,688)
Principal payments made on Debentures		(6,000,000)
Change in fair value of secured convertible note during the period		519,821
Secured convertible notes, ending balance		1,593,809
2019 Secured Convertible Notes [Member]
Secured convertible notes, beginning balance
Issuance of convertible notes on August 5, 2019, at fair value		1,845,512
Principal repaid during the period by issuance of common stock		(648,067)
Principal repaid during the period by payment of cash		(123,457)
Change in fair value of secured convertible note during the period		519,821
Secured convertible notes, ending balance		1,593,809
2018 Secured Convertible Notes [Member]
Secured convertible notes, beginning balance
Origination date at fair value of the Debentures			4,565,749
Conversions exercised during the period			(275,000)
Principal payments made on Debentures			(6,600,000)
Change in fair value of secured convertible note during the period			2,309,251
Secured convertible notes, ending balance