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

No definition available.

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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
-Paragraph 2
-Subparagraph (c)(1)(iii)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(i)-(ii)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(i)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Details

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SHARE CAPITAL (Details 1) - CAD / shares	Jun. 22, 2016	May 31, 2016	May 31, 2015	May 31, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise Price	CAD 1.02
Employee Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise Price		CAD 0.85	CAD 0.94	CAD 0.84
Number of Options		7,981,000	7,396,334	6,175,234
Exercisable at Year- End		6,457,940	5,627,599
July 29, 2016 [Member] \| Employee Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise Price		CAD 0.5	CAD 0.5
Number of Options		219,100	464,434
Exercisable at Year- End		219,100	464,434
November 17, 2016 [Member] \| Employee Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise Price		CAD 0.67	CAD 0.67
Number of Options		210,000	210,000
Exercisable at Year- End		210,000	210,000
January 23, 2017 [Member] \| Employee Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise Price		CAD 1.1	CAD 1.1
Number of Options		50,000	50,000
Exercisable at Year- End		50,000	25,000
May 1, 2017 [Member] \| Employee Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise Price		CAD 0.73	CAD 0.73
Number of Options		50,000	50,000
Exercisable at Year- End		50,000	25,000
May 29, 2017 [Member] \| Employee Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise Price		CAD 0.92	CAD 0.92
Number of Options		300,000	300,000
Exercisable at Year- End		300,000	300,000
September 19, 2017 [Member] \| Employee Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise Price		CAD 0.96	CAD 0.96
Number of Options		2,016,900	2,436,900
Exercisable at Year- End		2,016,900	2,436,900
October 29, 2017 [Member] \| Employee Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise Price		CAD 0.96	CAD 0.96
Number of Options		100,000	100,000
Exercisable at Year- End		100,000	100,000
August 16, 2018 [Member] \| Employee Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise Price		CAD 0.76	CAD 0.76
Number of Options		2,120,000	2,420,000
Exercisable at Year- End		2,120,000	1,611,720
September 8, 2019 [Member] \| Employee Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise Price		CAD 1.4	CAD 1.4
Number of Options		1,265,000	1,365,000
Exercisable at Year- End		842,490	454,545
September 9, 2020 [Member] \| Employee Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise Price		CAD 0.46	CAD 0
Number of Options		640,000	0
Exercisable at Year- End		213,120	0
November 13, 2020 \| Employee Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise Price		CAD 0.49	CAD 0
Number of Options		1,010,000	0
Exercisable at Year- End		336,330	0