SHARE CAPITAL (Details 2) Numberofunits in Thousands	12 Months Ended
Dec. 31, 2017 CAD ($) Numberofunits	Dec. 31, 2016 CAD ($) Numberofunits
Share capital [Line Items]
Balance \| Numberofunits	14,855	16,998
Granted \| Numberofunits	1,957	2,676
Exercised \| Numberofunits	(235)	(3,626)
Forfeited \| Numberofunits	(985)	(1,014)
Expired \| Numberofunits	(2,505)	(179)
Balance \| Numberofunits	13,087	14,855
Begining balance \| $	$ 5.84	$ 5.76
Granted \| $	3.88	4.42
Exercised \| $	3.31	3.49
Forfeited \| $	5.01	8.16
Expired \| $	8.87	10.74
Ending balance \| $	$ 5.08	$ 5.84

The number of share options outstanding in a share-based payment arrangement.

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The number of share options exercised in a share-based payment arrangement.

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The weighted average exercise price of share options exercised in a share-based payment arrangement. [Refer: Weighted average [member]]

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The weighted average exercise price of share options granted in a share-based payment arrangement. [Refer: Weighted average [member]]

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The weighted average exercise price of share options outstanding in a share-based payment arrangement. [Refer: Weighted average [member]]

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