XML 60 R50.htm IDEA: XBRL DOCUMENT v3.21.2
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Disclosure of Foreign Exchange Rates (Details)
 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Dec. 31, 2020
U.S. Dollars      
Disclosure of foreign exchange rates [line items]      
Average rates 1.2052 1.1018  
Closing rates 1.1884   1.2271
Swiss Francs      
Disclosure of foreign exchange rates [line items]      
Average rates 1.0945 1.0641  
Closing rates 1.0980   1.0802
Czech Koruna      
Disclosure of foreign exchange rates [line items]      
Average rates 25.8508 26.2970  
Closing rates 25.4880   26.2420