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Commitments - Additional Information (Detail) - CAD ($) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2018 | Dec. 31, 2017
Commitments [line items] |  |
Deposits | $ 514,711 | $ 32,927
Vancouver Office Leases [member] |  |
Commitments [line items] |  |
Deposits | 17,400 |
Saskatoon Office Leases [member] |  |
Commitments [line items] |  |
Deposits | 68,037 |
Irrevocable letter of credit | $ 420,000 |
Office lease expiration date | Jan. 01, 2020 |
IsoEnergy Ltd. [member] |  |
Commitments [line items] |  |
Required exploration expenditures | $ 4,036,208 |
IsoEnergy Ltd. [member] | Office lease [member] |  |
Commitments [line items] |  |
Deposits | $ 9,274 |

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- Details
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