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NOTE 10 - COMMITMENTS AND CONTINGENCIES (Schedule of Rent Expense) (Details) - USD ($) | 3 Months Ended | 12 Months Ended
--- | --- | ---
May 31, 2016 | Dec. 31, 2017 | Dec. 31, 2016
Total Operating Leases rent expense | $ 0 | $ 12,320 | $ 12,457
Purchase Power [Member] |  |  |
Total Operating Leases rent expense |  | 369 | 588
Coffee Perks/A. Antique Coffee Services [Member] |  |  |
Total Operating Leases rent expense |  | 382 | 300
Canon [Member] |  |  |
Total Operating Leases rent expense |  | $ 11,569 | $ 11,569

X
- Definition Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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

X
- Details
Name: | us-gaap_LeaseArrangementTypeAxis=duot_CoffeePerksAntiqueCoffeeServicesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LeaseArrangementTypeAxis=duot_CanonMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |