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SIGNIFICANT ACCOUNTING POLICIES - Disclosure of intangible assets with indefinite useful life (Details)
12 Months Ended
Dec. 31, 2019
Patents [Member]  
Disclosure of detailed information about intangible assets [line items]  
Useful lives or amortisation rates, intangible assets other than goodwill 5 years
Rights [Member]  
Disclosure of detailed information about intangible assets [line items]  
Useful lives or amortisation rates, intangible assets other than goodwill 2 years