XML 62 R4.htm IDEA: XBRL DOCUMENT
v3.22.0.1

Statement Of Changes in Stockholder's Equity - CAD ($) | Total | Share Capital | Share purchase warrants | Contributed surplus | Deficit | Accumulated And Other Comprehensive Income [Member]
--- | --- | --- | --- | --- | --- | ---
Balance, amount at Dec. 31, 2019 | $ 210,149,000 | $ 1,335,467,000 | $ 435,000 | $ 65,417,000 | $ (1,192,304,000) | $ 1,134,000
Statement [Line Items] |  |  |  |  |  |
Shares issued for cash, net of issue costs |  | 30,825,000 |  |  |  |
Flow-through share premium |  | (22,000) |  |  |  |
Share-based compensation expense (note 19) | 1,827,000 |  |  | 1,827,000 |  |
Share purchase warrants expired |  |  | (435,000) | 435,000 |  |
Share options exercised-cash |  | 148,000 |  |  |  |
Share options exercised-transfer to share capital |  |  |  | (50,000) |  |
Experience gain-post employment liability | 638,000 |  |  |  |  | 638,000
Share purchase warrants exercised-warrant liability settled |  | 0 |  |  |  |
Share units exercised-transfer to share capital |  |  |  | (242,000) |  |
Foreign currency translation |  |  |  |  |  | 3,000
Net Income (Loss) | (16,283,000) |  |  |  | (16,283,000) |
Balance, amount at Dec. 31, 2020 | 227,285,000 | 1,366,710,000 | 0 | 67,387,000 | (1,208,587,000) | 1,775,000
Statement [Line Items] |  |  |  |  |  |
Shares issued for cash, net of issue costs |  | 141,278,000 |  |  |  |
Flow-through share premium |  | 0 |  |  |  |
Share-based compensation expense (note 19) | 2,832,000 |  |  | 2,832,000 |  |
Share purchase warrants expired |  |  | 0 | 0 |  |
Share options exercised-cash |  | 6,300,000 |  |  |  |
Share options exercised-transfer to share capital |  | 2,157,000 |  | (2,157,000) |  |
Experience gain-post employment liability | 0 |  |  |  |  | 0
Share purchase warrants exercised-warrant liability settled |  | 4,000 |  |  |  |
Foreign currency translation |  |  |  |  |  | 1,000
Net Income (Loss) | 18,977,000 |  |  |  | 18,977,000 |
Share units exercised-transfer from contributed surplus |  | 566,000 |  | (566,000) |  |
Share purchase warrants exerciseds-cash |  | 14,000 |  |  |  |
Balance, amount at Dec. 31, 2021 | $ 396,691,000 | $ 1,517,029,000 | $ 0 | $ 67,496,000 | $ (1,189,610,000) | $ 1,776,000

X
- Definition The cash inflow from issuing shares. + References No definition available. + Details
Name: | dnn_FlowThroughSharePremium
Namespace Prefix: | dnn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- References No definition available. + Details
Name: | dnn_GainsLossesOnPostEmploymentLiabilityNetOfTax
Namespace Prefix: | dnn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- References No definition available. + Details
Name: | dnn_NonCashFairValue-AdjustmentFromIssuingSharesForShareUnitsExercised
Namespace Prefix: | dnn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- References No definition available. + Details
Name: | dnn_NonCashFairValueAdjustFromIssuingSharesForShareOptionsExercised
Namespace Prefix: | dnn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- References No definition available. + Details
Name: | dnn_NonCashFairValueAdjustmentFromIssuingSharesForShareUnitsExercised
Namespace Prefix: | dnn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The cash inflow from issuing equity instruments that the entity does not separately disclose in the same statement or note. + References No definition available. + Details
Name: | dnn_ProceedsFromIssuingSharesforShareOptionsExercised
Namespace Prefix: | dnn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- References No definition available. + Details
Name: | dnn_SharePurchaseWarrantsExercisedCash
Namespace Prefix: | dnn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- References No definition available. + Details
Name: | dnn_SharePurchaseWarrantsExercisedWarrantLiabilitySettled
Namespace Prefix: | dnn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- References No definition available. + Details
Name: | dnn_SharePurchaseWarrantsExpired
Namespace Prefix: | dnn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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

X
- Definition Adjustments for share-based payments to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Profit (loss)] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 7 -IssueDate 2021-01-01 -Paragraph 20 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2021-en-r&anchor=para_20_b&doctype=Standard -URIDate 2021-03-24 + Details
Name: | ifrs-full_AdjustmentsForSharebasedPayments
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of residual interest in the assets of the entity after deducting all its liabilities. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 1 -IssueDate 2021-01-01 -Paragraph 24 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=1&code=ifrs-tx-2021-en-r&anchor=para_24_a&doctype=Standard -URIDate 2021-03-24 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 1 -IssueDate 2021-01-01 -Paragraph 32 -Subparagraph a -Clause i -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=1&code=ifrs-tx-2021-en-r&anchor=para_32_a_i&doctype=Standard -URIDate 2021-03-24 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 13 -IssueDate 2021-01-01 -Paragraph 93 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2021-en-r&anchor=para_93_a&doctype=Standard -URIDate 2021-03-24 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 13 -IssueDate 2021-01-01 -Paragraph 93 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2021-en-r&anchor=para_93_b&doctype=Standard -URIDate 2021-03-24 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 13 -IssueDate 2021-01-01 -Paragraph 93 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2021-en-r&anchor=para_93_e&doctype=Standard -URIDate 2021-03-24 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 55 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_55&doctype=Standard -URIDate 2021-03-24 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 78 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_78_e&doctype=Standard -URIDate 2021-03-24 + Details
Name: | ifrs-full_Equity
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The gains (losses) recognised in other comprehensive income on exchange differences on the translation of financial statements of foreign operations, before tax, before reclassification adjustments. [Refer: Other comprehensive income] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 91 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_91_b&doctype=Standard -URIDate 2021-03-24 + Details
Name: | ifrs-full_GainsLossesOnExchangeDifferencesOnTranslationBeforeTax
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The total of income less expenses from continuing and discontinued operations, excluding the components of other comprehensive income. [Refer: Other comprehensive income] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 7 -IssueDate 2021-01-01 -Paragraph 18 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2021-en-r&anchor=para_18_b&doctype=Standard -URIDate 2021-03-24 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 1 -IssueDate 2021-01-01 -Paragraph 24 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=1&code=ifrs-tx-2021-en-r&anchor=para_24_b&doctype=Standard -URIDate 2021-03-24 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 1 -IssueDate 2021-01-01 -Paragraph 32 -Subparagraph a -Clause ii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=1&code=ifrs-tx-2021-en-r&anchor=para_32_a_ii&doctype=Standard -URIDate 2021-03-24 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 8 -IssueDate 2021-01-01 -Paragraph 28 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2021-en-r&anchor=para_28_b&doctype=Standard -URIDate 2021-03-24 Reference 5: http://www.xbrl.org/2003/role/exampleRef -Note Effective on first application of IFRS 9 -Name IFRS -Number 4 -IssueDate 2021-01-01 -Paragraph 39L -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=4&code=ifrs-tx-2021-en-b&anchor=para_39L_e&doctype=Standard -URIDate 2021-03-24 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 8 -IssueDate 2021-01-01 -Paragraph 23 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2021-en-r&anchor=para_23&doctype=Standard -URIDate 2021-03-24 Reference 7: http://www.xbrl.org/2003/role/exampleRef -Note Effective 2023-01-01 -Name IFRS -Number 17 -IssueDate 2021-01-01 -Paragraph 113 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2021-en-r&anchor=para_113_b&doctype=Standard -URIDate 2021-03-24 Reference 8: http://www.xbrl.org/2003/role/exampleRef -Name IFRS -Number 12 -IssueDate 2021-01-01 -Paragraph B10 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2021-en-r&anchor=para_B10_b&doctype=Appendix&subtype=B -URIDate 2021-03-24 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 106 -Subparagraph d -Clause i -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_106_d_i&doctype=Standard -URIDate 2021-03-24 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 81A -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_81A_a&doctype=Standard -URIDate 2021-03-24 + Details
Name: | ifrs-full_ProfitLoss
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The amount of cost related to the issuance of shares. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 106 -Subparagraph d -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_106_d&doctype=Standard -URIDate 2021-03-24 + Details
Name: | ifrs-full_ShareIssueRelatedCost
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration