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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Disclosure of Foreign Exchange Rates (Details)
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
U.S. Dollars      
Disclosure of foreign exchange rates [line items]      
Average rates 1.1821 1.1405 1.1193
Closing rates 1.1326 1.2271 1.1234
Swiss Francs      
Disclosure of foreign exchange rates [line items]      
Average rates 1.0808 1.0704 1.1121
Closing rates 1.0331 1.0802 1.0854
Czech Koruna      
Disclosure of foreign exchange rates [line items]      
Average rates 25.6366 26.4337 25.6698
Closing rates 24.8580 26.2420 25.4080