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4. CRITICAL ACCOUNTING ESTIMATES AND JUDGEMENTS | 12 Months Ended
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Dec. 31, 2017
Critical Accounting Estimates And Judgements |
CRITICAL ACCOUNTING ESTIMATES AND JUDGEMENTS | The preparation of consolidated financial statements in accordance with IFRS requires the use of certain critical accounting estimates and judgements that affect the amounts reported. It also requires management to exercise judgement in applying the Company’s accounting policies. These judgements and estimates are based on management’s best knowledge of the relevant facts and circumstances taking into account previous experience. Although the Company regularly reviews the estimates and judgements made that affect these financial statements, actual results may be materially different. Significant estimates and judgements made by management relate to:
| (a) | Determination of a mineral property being sufficiently advanced
The Company follows a policy of capitalizing non-exploration related expenditures on properties it considers to be sufficiently advanced. Once a mineral property is determined to be sufficiently advanced, that determination is irrevocable and the capitalization policy continues to apply over the life of the property. In determining whether or not a mineral property is sufficiently advanced, management considers a number of factors, including, but not limited to: current uranium market conditions, the quality of resources identified, access to the resource, the suitability of the resource to current mining methods, ease of permitting, confidence in the jurisdiction in which the resource is located and milling complexity. Many of these factors are subject to risks and uncertainties that can support a “sufficiently advanced” determination as at one point in time but not support it at another. The final determination requires significant judgment on the part of the Company’s management and directly impacts the carrying value of the Company’s mineral properties.
| (b) | Mineral property impairment reviews and impairment adjustments
Mineral properties are tested for impairment when events or changes in circumstances indicate that the carrying amount may not be recoverable. When an indicator is identified, the Company determines the recoverable amount of the property, which is the higher of an asset’s fair value less costs of disposal or value in use. An impairment loss is recognized if the carrying value exceeds the recoverable amount. The recoverable amount of a mineral property may be determined by reference to estimated future operating results and discounted net cash flows, current market valuations of similar properties or a combination of the above. In undertaking this review, management of the Company is required to make significant estimates of, amongst other things: reserve and resource amounts, future production and sale volumes, forecast commodity prices, future operating, capital and reclamation costs to the end of the mine’s life and current market valuations from observable market data which may not be directly comparable. These estimates are subject to various risks and uncertainties, which may ultimately have an effect on the expected recoverable amount of a specific mineral property asset. Changes in these estimates could have a material impact on the carrying value of the mineral property amounts and the impairment losses recognized.
| (c) | Deferred revenue – toll milling
In February 2017, Denison closed an arrangement with Anglo Pacific Group PLC and one of its wholly-owned subsidiaries (collectively “APG”). Under the arrangement, Denison monetized its right to receive future toll milling cash receipts from July 1, 2016 onwards from the MLJV under the current toll milling agreement with the CLJV (see note 13) for an upfront cash payment. The arrangement consisted of a loan structure and a stream arrangement (collectively, the “APG Arrangement”). Significant judgement was required to determine whether the APG Arrangement should be accounted for as a financial obligation (i.e. debt) or deferred revenue. Key factors that support the deferred revenue conclusion reached by management include, but are not limited to: a) Limited recourse loan structure – amounts due to APG are generally repayable only to the extent of Denison’s share of the toll milling revenues earned by the MLJV from the processing of the first 215 million pounds of U3O8 from the Cigar Lake mine on or after July 1, 2016, under the terms of the current Cigar Lake toll milling agreement; and b) No warranty of the future rate of production - no warranty is provided by Denison to APG regarding the future rate of production at the Cigar Lake mine and / or the McClean Lake mill, or the amount and / or collectability of cash receipts to be received by the MLJV in respect of toll milling of Cigar Lake ore.
| (d) | Deferred tax assets and liabilities
Deferred tax assets and liabilities are computed in respect of taxes that are based on taxable profit. Taxable profit will often differ from accounting profit and management may need to exercise judgement to determine whether some taxes are income taxes (and subject to deferred tax accounting) or operating expenses. Deferred tax assets and liabilities are measured using enacted or substantively enacted tax rates expected to apply when the temporary differences between accounting carrying values and tax basis are expected to be recovered or settled. The determination of the ability of the Company to utilize tax loss carry forwards to offset deferred tax liabilities requires management to exercise judgment and make certain assumptions about the future performance of the Company. Management is required to assess whether it is “probable” that the Company will benefit from these prior losses and other deferred tax assets. Changes in economic conditions, commodity prices and other factors could result in revisions to the estimates of the benefits to be realized or the timing of utilizing the losses.
| (e) | Reclamation obligations
Asset retirement obligations are recorded as a liability when the asset is initially constructed or a constructive or legal obligation exists and typically involve identifying costs to be incurred in the future and discounting them to the present using an appropriate discount rate for the liability. The determination of future costs involves a number of estimates relating to timing, type of costs, mine closure plans, and review of potential methods and technical advancements. Furthermore, due to uncertainties concerning environmental remediation, the ultimate cost of the Company’s decommissioning liability could differ materially from amounts provided. The estimate of the Company’s obligation is subject to change due to amendments to applicable laws and regulations and as new information concerning the Company’s operations becomes available. The Company is not able to determine the impact on its financial position, if any, of environmental laws and regulations that may be enacted in the future.

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- Definition The disclosure of judgements that management has made in the process of applying the entity's accounting policies that have the most significant effect on amounts recognised in the financial statements along with information about the assumptions that the entity makes about the future, and other major sources of estimation uncertainty at the end of the reporting period, that have a significant risk of resulting in a material adjustment to the carrying amounts of assets and liabilities within the next year. [Refer: Carrying amount [member]] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2016-01-13 -Paragraph 10 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2016-03-30&anchor=para_10_e&doctype=Standard -URIDate 2016-03-31 + Details
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