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SHARE CAPITAL AND SHARE-BASED PAYMENT (Details 3) - $ / shares	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Weighted average assumptions:
Risk-free interest rate	1.66%	0.67%	0.48%
Expected dividend yield	0.00%	0.00%	0.00%
Expected option life (years)	1 year 10 months 25 days	2 years 3 months 15 days	1 year 1 month 20 days
Expected stock price volatility	65.69%	72.66%	46.02%
Stock options [Member]
Weighted average assumptions:
Risk-free interest rate	1.80%	0.69%	0.78%
Expected dividend yield	0.00%	0.00%	0.00%
Expected option life (years)	5 years	5 years	5 years
Expected stock price volatility	68.23%	65.13%	65.10%
Weighted average fair value at grant date	$ 1.14	$ 1.60	$ 0.65

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- Definition

The expected volatility of the share price used to calculate the fair value of the share options granted. Expected volatility is a measure of the amount by which a price is expected to fluctuate during a period. The measure of volatility used in option pricing models is the annualised standard deviation of the continuously compounded rates of return on the share over a period of time.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2016-01-13
-Paragraph 47
-Subparagraph a
-Clause i
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=2&date=2016-03-30&anchor=para_47_a_i&doctype=Standard
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The implied yield currently available on zero-coupon government issues of the country in whose currency the exercise price for share options granted is expressed, with a remaining term equal to the expected term of the option being valued (based on the option's remaining contractual life and taking into account the effects of expected early exercise). [Refer: Government [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2016-01-13
-Paragraph 47
-Subparagraph a
-Clause i
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=2&date=2016-03-30&anchor=para_47_a_i&doctype=Standard
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The percentage of an expected dividend used to calculate the fair value of share options granted.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2016-01-13
-Paragraph 47
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-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=2&date=2016-03-30&anchor=para_47_a_i&doctype=Standard
-URIDate 2016-03-31

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