XML 155 R138.htm IDEA: XBRL DOCUMENT
v3.23.1

SHARE-BASED PAYMENTS (Details 3) $ / shares in Units, ¥ in Thousands, $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 USD ($) $ / shares | Dec. 31, 2022 CNY (¥) | Dec. 31, 2021 USD ($) $ / shares | Dec. 31, 2021 CNY (¥)
Share-based Payments |  |  |  |
Fair value at the measurement date | $ 2,400 | ¥ 16,209 | $ 70 | ¥ 449
Expected volatility | 93.50% | 93.50% | 93.67% | 93.67%
Risk-free interest rate | 3.16% | 3.16% | 0.19% | 0.19%
Expected life | 3 years | 3 years | 2 years 6 months | 2 years 6 months
Share price | $ 0.623 |  | $ 0.901 |

X
- References No definition available. + Details
Name: | chnr_ExpectedLife
Namespace Prefix: | chnr_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | chnr_FairValueAtMeasurementDate
Namespace Prefix: | chnr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- References No definition available. + Details
Name: | chnr_ShareBasedPaymentsAbstract
Namespace Prefix: | chnr_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | chnr_SharesPrice
Namespace Prefix: | chnr_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | duration

X
- 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 2022-03-24 -Paragraph 47 -Subparagraph a -Clause i -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2022-en-r&anchor=para_47_a_i&doctype=Standard -URIDate 2022-03-24 + Details
Name: | ifrs-full_DescriptionOfExpectedVolatilityShareOptionsGranted
Namespace Prefix: | ifrs-full_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- 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 Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2022-03-24 -Paragraph 47 -Subparagraph a -Clause i -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2022-en-r&anchor=para_47_a_i&doctype=Standard -URIDate 2022-03-24 + Details
Name: | ifrs-full_DescriptionOfRiskFreeInterestRateShareOptionsGranted
Namespace Prefix: | ifrs-full_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration