XML 129 R98.htm IDEA: XBRL DOCUMENT
v3.22.4

SHARE CAPITAL - Narrative (Details) |  |  |  |  | 12 Months Ended |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Mar. 22, 2021 CAD ($) shares | Mar. 22, 2021 USD ($) $ / shares shares | Mar. 03, 2021 CAD ($) shares | Feb. 19, 2021 CAD ($) shares | Feb. 19, 2021 USD ($) $ / shares shares | Jun. 02, 2020 CAD ($) $ / shares | Dec. 31, 2022 CAD ($) $ / shares shares | Dec. 31, 2021 CAD ($) $ / shares shares | Sep. 28, 2021 CAD ($) | Sep. 16, 2021 CAD ($) | Mar. 03, 2021 $ / shares | Feb. 28, 2021 shares | Jan. 31, 2021 shares
Share Capital |  |  |  |  |  |  |  |  |  |  |  |  |
Aggregate gross proceeds |  |  |  |  |  |  | $ 19,551,000 | $ 18,091,000 |  |  |  |  |
Exercise of the underwriters' over-allotment option | shares | 10,230,000 | 10,230,000 |  |  |  |  |  |  |  |  |  |  |
Premium liability |  |  | $ 0 |  |  |  |  |  |  |  |  |  |
Share capital |  |  |  |  |  |  |  |  |  |  |  |  |
Share Capital |  |  |  |  |  |  |  |  |  |  |  |  |
Issued of common shares under ATM | shares |  |  |  |  |  |  |  |  |  |  |  | 4,230,186 | 4,230,186
Aggregate gross proceeds | $ 107,949,000 | $ 86,273,000 | $ 8,000,000 | $ 36,265,000 | $ 28,750,000 | $ 3,914,000 |  |  |  |  |  |  |
Private placement of common shares | shares | 78,430,000 | 78,430,000 |  | 31,593,950 | 31,593,950 |  |  |  |  |  |  |  |
Exploration expenditures |  |  |  |  |  |  |  | $ 930,000 |  |  |  |  |
Average price per share | (per share) |  | $ 1.10 |  |  | $ 0.91 | $ 0.93 |  |  |  |  |  |  |
Issuance costs |  |  |  |  |  | $ 466,000 |  |  |  |  |  |  |
Commissions |  |  |  |  |  | 78,000 |  |  |  |  |  |  |
Costs associated with set-up |  |  |  |  |  | $ 384,000 |  |  |  |  |  |  |
Exercise of the underwriters' over-allotment option | shares |  |  |  | 4,120,950 | 4,120,950 |  |  |  |  |  |  |  |
Warrant exercisable | Each full warrant is exercisable to acquire one common share of the Company at an exercise price of USD$2.25 for 24 months after issuance | Each full warrant is exercisable to acquire one common share of the Company at an exercise price of USD$2.25 for 24 months after issuance |  | Each full warrant is exercisable to acquire one common share of the Company at an exercise price of USD$2.00 for 24 months after issuance | Each full warrant is exercisable to acquire one common share of the Company at an exercise price of USD$2.00 for 24 months after issuance |  |  |  |  |  |  |  |
Private placement flow-through common per shares | $ / shares |  |  |  |  |  |  |  |  |  |  | $ 1.35 |  |
Aggregate offering amount |  |  |  |  |  |  |  |  | $ 50,000,000 | $ 250,000,000 |  |  |
Eligible exploration expenditures to spend |  |  |  |  |  |  | $ 8,000,000 |  |  |  |  |  |
Private placement flow-through common shares | shares |  |  | 5,926,000 |  |  |  |  |  |  |  |  |  |
Set-up and maintenance of 2021 Shelf Prospetus and 2021 ATM Program |  |  |  |  |  |  |  |  |  |  |  |  |
Share Capital |  |  |  |  |  |  |  |  |  |  |  |  |
Issued of common shares under ATM | shares |  |  |  |  |  |  |  | 3,840,000 |  |  |  |  |
Average price per share | $ / shares |  |  |  |  |  |  | $ 1.88 | $ 2.08 |  |  |  |  |
Issuance costs |  |  |  |  |  |  | $ 1,347,000 | $ 748,000 |  |  |  |  |
Commissions |  |  |  |  |  |  | 564,000 | 160,000 |  |  |  |  |
Costs associated with set-up |  |  |  |  |  |  | $ 783,000 | 588,000 |  |  |  |  |
Total number of shares issued under ATM | shares |  |  |  |  |  |  | 14,883,162 |  |  |  |  |  |
Aggregate gross proceeds |  |  |  |  |  |  | $ 28,175,000 | $ 7,975,000 |  |  |  |  |
Maintenance of 2021 Shelf Prospetus and 2021 ATM Program |  |  |  |  |  |  |  |  |  |  |  |  |
Share Capital |  |  |  |  |  |  |  |  |  |  |  |  |
Issued of common shares under ATM | shares |  |  |  |  |  |  | 11,042,862 |  |  |  |  |  |
Average price per share | $ / shares |  |  |  |  |  |  | $ 1.83 |  |  |  |  |  |
Issuance costs |  |  |  |  |  |  | $ 599,000 |  |  |  |  |  |
Commissions |  |  |  |  |  |  | 404,000 |  |  |  |  |  |
Costs associated with set-up |  |  |  |  |  |  | 195,000 |  |  |  |  |  |
Aggregate gross proceeds |  |  |  |  |  |  | $ 20,200,000 |  |  |  |  |  |

X
- Definition Represents the amount of aggregate gross proceeds. + References No definition available. + Details
Name: | dnn_AggregateGrossProceeds
Namespace Prefix: | dnn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Represent the aggregate offering amount. + References No definition available. + Details
Name: | dnn_AggregateOfferingAmount
Namespace Prefix: | dnn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Represent the per share amount average price. + References No definition available. + Details
Name: | dnn_AveragePricePerShare
Namespace Prefix: | dnn_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represent the amount of commissions on shares capital. + References No definition available. + Details
Name: | dnn_Commissions
Namespace Prefix: | dnn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Represent the costs associated with set-up. + References No definition available. + Details
Name: | dnn_CostsAssociatedWithSetUp
Namespace Prefix: | dnn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Represent the amount of eligible exploration expenditures to spend. + References No definition available. + Details
Name: | dnn_EligibleExplorationExpendituresToSpend
Namespace Prefix: | dnn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Represent the amount of exploration expenditures. + References No definition available. + Details
Name: | dnn_EligibleExplorationExpendituresToSpend1
Namespace Prefix: | dnn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Represent the shares of exercise of the underwriters' over-allotment option + References No definition available. + Details
Name: | dnn_ExerciseOfTheUnderwritersOverAllotmentOption
Namespace Prefix: | dnn_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represent the description of warrant exercisable. + References No definition available. + Details
Name: | dnn_ExercisePrice
Namespace Prefix: | dnn_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represent the amount of share issuance costs. + References No definition available. + Details
Name: | dnn_IssuanceCosts
Namespace Prefix: | dnn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Represents the share issued of common shares under ATM. + References No definition available. + Details
Name: | dnn_IssuedOfCommonSharesUnderAtm
Namespace Prefix: | dnn_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Represent the per share amount of private placement flow-through common shares. + References No definition available. + Details
Name: | dnn_PrivatePlacementFlowThroughCommonPerShares
Namespace Prefix: | dnn_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Represent the private placement flow-through common shares. + References No definition available. + Details
Name: | dnn_PrivatePlacementFlowThroughShares
Namespace Prefix: | dnn_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Represent the share of private placement of common shares. + References No definition available. + Details
Name: | dnn_PrivatePlacementOfCommonShares
Namespace Prefix: | dnn_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Line item information related to share capital. + References No definition available. + Details
Name: | dnn_ShareCapitalLineItem
Namespace Prefix: | dnn_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the total number of shares issued under ATM. + References No definition available. + Details
Name: | dnn_TotalNumberOfSharesIssuedUnderAtm
Namespace Prefix: | dnn_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition The cash inflow from issuing shares. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 7 -IssueDate 2022-03-24 -Paragraph 17 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2022-en-r&anchor=para_17_a&doctype=Standard -URIDate 2022-03-24 + Details
Name: | ifrs-full_ProceedsFromIssuingShares
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount received or receivable from the issuance of the entity's shares in excess of nominal value. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 1 -IssueDate 2022-03-24 -Paragraph 78 -Subparagraph e -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_78_e&doctype=Standard -URIDate 2022-03-24 + Details
Name: | ifrs-full_SharePremium
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | ifrs-full_ComponentsOfEquityAxis=ifrs-full_ClassesOfShareCapitalMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ComponentsOfEquityAxis=dnn_SetUpAndMaintenanceOf2021ShelfProspectusAnd2021AtmProgramMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ComponentsOfEquityAxis=dnn_MaintenanceOf2021ShelfProspectusAnd2021AtmProgramMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |