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Debt Obligations - Summary of Secured Convertible Debentures and Proceeds Investment Agreement (Details) - USD ($)	Jun. 30, 2019	Dec. 31, 2018
Debt Disclosure [Abstract]
2018 Proceeds Investment Agreement, at fair value	$ 6,240,000	$ 9,142,000
Less: Current portion
2018 Proceeds investment agreement at fair value-less current portion	$ 6,240,000	$ 9,142,000

X

- Definition

Proceeds investment agreement, at fair value.

+ References

No definition available.

+ Details

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Namespace Prefix:	DGLY_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Proceeds investment agreement, at fair value-current.

+ References

No definition available.

+ Details

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X

- Definition

Proceeds investment agreement, at fair value- less current portion.

+ References

No definition available.

+ Details

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Namespace Prefix:	DGLY_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- References

No definition available.

+ Details

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