Schedule of NovaGold Arrangement Stock Options Outstanding (Details) - $ / shares	6 Months Ended
May 31, 2016	Nov. 30, 2015
Number of outstanding options	6,673,350	5,288,350
Weighted average exercise price options outstanding	$ 0.51	$ 0.57
Number of exercisable options	4,291,101
Weighted average exercise price	$ 0.55
Number of unvested options	2,382,249
NovaGold Arrangement Options [Member]
Number of outstanding options	324,820	509,272
Weighted average years to expiry	7 months 2 days
Weighted average exercise price options outstanding	$ 4.39	$ 4.77
NovaGold Arrangement Range 1 [Member] \| NovaGold Arrangement Options [Member]
Exercise price lower range limit	2.88
Exercise price upper range limit	$ 3.99
Number of outstanding options	49,998
Weighted average years to expiry	9 months 29 days
Weighted average exercise price options outstanding		$ 2.98
NovaGold Arrangement Range 2 [Member] \| NovaGold Arrangement Options [Member]
Exercise price lower range limit	$ 4.00
Exercise price upper range limit	$ 5.99
Number of outstanding options	258,156
Weighted average years to expiry	6 months 7 days
Weighted average exercise price options outstanding	$ 4.52
NovaGold Arrangement Range 3 [Member] \| NovaGold Arrangement Options [Member]
Exercise price lower range limit	6.00
Exercise price upper range limit	$ 6.61
Number of outstanding options	16,666
Weighted average years to expiry	1 year
Weighted average exercise price options outstanding	$ 6.61

Weighted average years to expiry

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- Definition

The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

+ References

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Number of options outstanding, including both vested and non-vested options.

+ References

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-Topic 718
-SubTopic 10
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-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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- Definition

The floor of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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The ceiling of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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- Definition

Number of non-vested options outstanding.

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