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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

X

- Definition

The amount of long-term deposits held by the entity.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2018-01-01
-Paragraph 55
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-URIDate 2018-03-16

+ Details

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X

- Definition

Line items representing commitments.

+ References

No definition available.

+ Details

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X

- Definition

Irrevocable letter of credit.

+ References

No definition available.

+ Details

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X

- Definition

Lease term expiration date.

+ References

No definition available.

+ Details

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X

- Definition

Required exploration expenditures.

+ References

No definition available.

+ Details

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X

- Details

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- Details

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X

- Details

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- Details

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