XML 135 R77.htm IDEA: XBRL DOCUMENT v3.22.0.1

DEFERRED REVENUE (Details 1)	12 Months Ended
	Dec. 31, 2021 CAD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 CAD ($)	Dec. 31, 2020 USD ($)
DEFERRED REVENUE (Details)
Balance-January 1	$ 36,617		$ 36,321
Revenue earned during the period (note 22)		$ (3,207,000)	(2,762,000)
Accretion (note 21)		3,098		$ 3,058
Balance-December 31	$ 36,508	$ 36,508	$ 36,617

X

- References

No definition available.

+ Details

Name:	dnn_AdjustmentDueToUnwindingOfDiscountOnDeferredRevenue
Namespace Prefix:	dnn_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	dnn_DeferredIncome
Namespace Prefix:	dnn_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

The income arising in the course of an entity's ordinary activities. Income is increases in assets, or decreases in liabilities, that result in increases in equity, other than those relating to contributions from holders of equity claims.

+ References

No definition available.

+ Details

Name:	dnn_RevenueEarnedDuringThePeriod
Namespace Prefix:	dnn_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	ifrs-full_DisclosureOfAnalysisOfInsuranceRevenueAbstract
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration