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Proceeds Investment Agreement Obligation - Schedule of Certain Estimates and Assumptions of Weighted Patent Asset (Details) - Patent Asset [Member] - Axon and WatchGuard [Member] - USD ($) | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2020 | Dec. 31, 2019 | Dec. 30, 2019
Probability of success | 90.00% |  |
Estimated minimum return payable to BKI | $ 4,000,000 |  | $ 21,000,000
Negotiation discount | 0.00% |  | 43.30%
Minimum [Member] |  |  |
Discount rate | 15.13% | 3.00% |
Expected term to patent asset proceeds payment | 3 months 29 days | 6 months 29 days |
Probability of success |  | 5.90% |
Maximum [Member] |  |  |
Discount rate | 15.18% |  | 400.00%
Expected term to patent asset proceeds payment | 3 years 9 months |  | 4 years
Probability of success |  |  | 38.50%

X
- Definition Discount rate. + References No definition available. + Details
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Namespace Prefix: | DGLY_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Estimated minimum return payable to BKI. + References No definition available. + Details
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- Definition Expected term to patent asset proceeds payment. + References No definition available. + Details
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Namespace Prefix: | DGLY_
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Balance Type: | na
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- Definition Negotiation discount. + References No definition available. + Details
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Namespace Prefix: | DGLY_
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Balance Type: | na
Period Type: | duration

X
- Definition Probability of success. + 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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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
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Namespace Prefix: |
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Balance Type: |
Period Type: |

X
- Details
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Namespace Prefix: |
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Period Type: |

X
- Details
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Namespace Prefix: |
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Balance Type: |
Period Type: |