Share-Based Payment (Details)	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Statement Line Items [Line Items]
Dividend yield (%)	0.00%	0.00%	0.00%
Bottom of range [member]
Statement Line Items [Line Items]
Expected volatility of the share prices (%)	78.00%	93.00%	89.00%
Risk-free interest rate (%)	1.92%	2.63%	1.76%
Bottom of range [member]
Statement Line Items [Line Items]
Expected volatility of the share prices (%)	84.00%	95.00%	94.00%
Risk-free interest rate (%)	2.63%	2.88%	2.40%

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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 2019-01-01
-Paragraph 47
-Subparagraph a
-Clause i
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2019-en-r&anchor=para_47_a_i&doctype=Standard
-URIDate 2019-03-27

+ Details

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- Definition

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

+ Details

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- Definition

The percentage of an expected dividend used to calculate the fair value of share options granted.

+ References

+ Details

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