XML 122 R104.htm IDEA: XBRL DOCUMENT
v3.8.0.1

22. SUPPLEMENTAL FINANCIAL INFORMATION (Details 1) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016
DisclosureOfOtherIncomeExpenseLineItems [Line Items] |  |
Other Gains Losses | $ 2,210 | $ 906
Gains (losses) on: Disposal of property, plant and equipment |  |
DisclosureOfOtherIncomeExpenseLineItems [Line Items] |  |
Other Gains Losses | 21 | (162)
Gains (losses) on: Investment fair value through profit (loss) |  |
DisclosureOfOtherIncomeExpenseLineItems [Line Items] |  |
Other Gains Losses | 1,891 | 1,473
Gains (losses) on: Extinguishment of toll milling contract liability |  |
DisclosureOfOtherIncomeExpenseLineItems [Line Items] |  |
Other Gains Losses | 679 | 0
Gains (losses) on: Other |  |
DisclosureOfOtherIncomeExpenseLineItems [Line Items] |  |
Other Gains Losses | $ (381) | $ (405)

X
- References No definition available. + Details
Name: | DNN_DisclosureOfOtherIncomeExpenseLineItems
Namespace Prefix: | DNN_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The gains (losses) that the entity does not separately disclose in the same statement or note. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2016-01-13 -Paragraph 102 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2016-03-30&anchor=para_102&doctype=Standard -URIDate 2016-03-31 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2016-01-13 -Paragraph 103 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2016-03-30&anchor=para_103&doctype=Standard -URIDate 2016-03-31 + Details
Name: | ifrs-full_OtherGainsLosses
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | ifrs-full_ContinuingAndDiscontinuedOperationsAxis=DNN_GainLossDisposalOfPropertyPlantAndEquipmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ContinuingAndDiscontinuedOperationsAxis=DNN_GainLossInvestmentFairValueThroughProfitLossMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ContinuingAndDiscontinuedOperationsAxis=DNN_GainLossExtinguishmentOfTollMillingContractLiabilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ContinuingAndDiscontinuedOperationsAxis=DNN_GainLossOtherMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |