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Non-controlling Interests - Summary of Financial Information for IsoEnergy Ltd (Detail) - CAD ($) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Disclosure of noncontrolling interests [line items] |  |  |
Cash and cash equivalents | $ 125,059,189 | $ 164,943,850 | $ 31,090,313
Non-current assets | 201,155,084 | 157,428,556 |
TOTAL ASSETS | 326,867,565 | 323,079,350 |
Current liabilities | 6,517,313 | 3,014,430 |
Non-current liabilities | 138,423,662 | 171,724,215 |
Total liabilities | 144,940,975 | 174,738,645 |
Loss from operations | 1,182,308 | (56,863,922) |
Loss and comprehensive loss | 2,092,427 | (56,830,610) |
Net cash flow from operating activities | (8,452,068) | (11,144,497) |
Net cash flow from investing activities | (37,767,642) | 9,634,529 |
Net cash flow from financing activities | 2,429,425 | 135,105,106 |
Net increase (decrease) in cash and cash equivalents | (43,790,285) | 133,595,138 |
Subsidiaries with material non-controlling interests [member] |  |  |
Disclosure of noncontrolling interests [line items] |  |  |
Cash and cash equivalents | 6,405,000 | 3,325,000 |
Other current assets | 155,000 | 67,000 |
Non-current assets | 43,511,000 | 39,124,000 |
TOTAL ASSETS | 50,071,000 | 42,516,000 |
Current liabilities | 817,000 | 247,000 |
Non-current liabilities | 199,000 | 281,000 |
Total liabilities | 1,016,000 | 528,000 |
Loss from operations | 2,142,000 | 2,516,000 |
Loss and comprehensive loss | 1,832,000 | 2,462,000 |
Net cash flow from operating activities | (1,679,000) | (1,536,000) |
Net cash flow from investing activities | (2,522,000) | (2,647,000) |
Net cash flow from financing activities | 7,282,000 | 1,017,000 |
Net increase (decrease) in cash and cash equivalents | $ 3,081,000 | $ (3,166,000) |

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