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SHARE CAPITAL- Principal assumptions used in the valuation (Details)	Jun. 14, 2021 CNY (¥) $ / shares	Feb. 17, 2021 USD ($) $ / shares	Feb. 12, 2021
Disclosure Of SHARE CAPITAL [Line Items]
Grant date	Jun. 14, 2021	February 17, 2021
Share price at date of grant	3.15	4.45
Volatility	115.00%	107.00%
Warrant life	5 years	5 years	5 years
Dividend yield	0.00%	0.00%
Risk-free interest rate	0.80%	0.57%
Fair value at grant date	¥ 2.50	$ 3.54
Minimum
Disclosure Of SHARE CAPITAL [Line Items]
Exercise price at date of grant	¥ 3.42	$ 3.57
Maximum
Disclosure Of SHARE CAPITAL [Line Items]
Exercise price at date of grant	¥ 4.35	$ 4.46

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- Definition

The percentage of warrant risk free interest rate.

+ References

No definition available.

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The percentage of warrant dividend yield value of warrant granted.

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The warrant life of share granted.

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- Definition

The date on which share-based payment arrangements are granted. [Refer: Share-based payment arrangements [member]]

+ References

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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.

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- Definition

The exercise price of share options granted.

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- Definition

The number of other equity instruments (ie other than share options) granted in a share-based payment arrangement.

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The weighted average fair value at the measurement date of granted equity instruments other than share options. [Refer: Weighted average [member]]

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