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Debt Obligations - Schedule of Certain Estimates and Assumptions of Fair Value of Secured Convertible Notes (Details) - 2019 Secured Convertible Notes [Member] - Assumptions [Member] | 12 Months Ended
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Dec. 31, 2019 $ / shares
Volatility - range | 115.00%
Risk-free rate | 1.60%
Contractual term | 7 months 6 days
Calibrated stock price | $ 1.06
Debt yield | 123.60%

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- Definition Calibrated stock price. + References No definition available. + Details
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Namespace Prefix: | DGLY_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

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- Definition Debt yield. + References No definition available. + Details
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Period Type: | duration

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- Definition Period the instrument, asset or liability is expected to be outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
Name: | DGLY_FairValueAssumptionsExpectedTerm1
Namespace Prefix: | DGLY_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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- Definition Measure of dispersion, in percentage terms (for instance, the standard deviation or variance), for a given stock price. + References No definition available. + Details
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Namespace Prefix: | DGLY_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition Risk-free interest rate assumption used in valuing an instrument. + References No definition available. + Details
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Namespace Prefix: | DGLY_
Data Type: | num:percentItemType
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Period Type: | duration

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Period Type: |