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Capital Structure and Financial Matters - Capital transactions (Details)
 1 Months Ended 3 Months Ended 12 Months Ended
Aug. 10, 2020
kr / shares
shares
Oct. 31, 2020
USD ($)
$ / shares
shares
Sep. 30, 2020
USD ($)
$ / shares
shares
Sep. 30, 2020
USD ($)
Dec. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Dec. 31, 2018
$ / shares
Dec. 31, 2020
kr / shares
Dec. 31, 2019
kr / shares
Disclosure of classes of share capital [line items]                  
Share purchase price | $ / shares             $ 207    
Payments for share issue costs | $         $ 128,000 $ 13,000      
Ordinary shares                  
Disclosure of classes of share capital [line items]                  
Ordinary shares issued   269,136 745,380            
Share purchase price | $ / shares   $ 8.89 $ 8.89            
Aggregate proceeds | $   $ 2,400,000 $ 6,600,000            
Increase in authorized number of shares 745,380                
Additional increase in authorized number of shares 1,800,000                
Nominal value per share | kr / shares kr 1             kr 1 kr 1
Additional number of ordinary share warrants allowed to issue 1,298,196                
Payments for share issue costs | $       $ 144,022