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BASIS OF PREPARATION AND SIGNIFICANT ACCOUNTING POLICIES - Depreciation and amortization rates (Details)	12 Months Ended
	Dec. 31, 2017
Exploration equipment
Equipment
Depreciation and amortization rate (as a percent)	20.00%
Computer Software
Equipment
Depreciation and amortization rate (as a percent)	50.00%
Computer Equipment
Equipment
Depreciation and amortization rate (as a percent)	55.00%

X

- Definition

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table.

+ References

No definition available.

+ Details

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- Definition

Represents the depreciation and amortization rate.

+ References

No definition available.

+ Details

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X

- Details

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X

- Details

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X

- Details

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