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.

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INVESTMENT IN JOINT VENTURE (Details 3)	4 Months Ended		12 Months Ended
INVESTMENT IN JOINT VENTURE (Details 3)	Nov. 30, 2021 USD ($)	Nov. 30, 2021 CAD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2021 CAD ($)	Dec. 31, 2020 CAD ($)	Aug. 03, 2021 USD ($)
Statement [Line Items]
Net Loss	$ 927		$ (927)
Other comprehensive income (loss)		$ 0
Reconciliation of JCU net assets to Denison investment carrying value:
Net assets of JCU-at acquisition	43,711,000
Net Loss	$ 927
Denison ownership interest	50.00%	50.00%
Net assets of JCU-at December 31, 2021		$ 42,784,000	$ 42,784			$ 43,711
Denison share of net assets of JCU	$ 21,392,000
Revenue				$ 20,000,000	$ 14,423,000
Joint Venture
Reconciliation of JCU net assets to Denison investment carrying value:
Revenue	$ 21,392