Disclosure Of Cash Flow Statement [Text Block]
| Concept | As at 2021-12-31 | 2021-01-01 to 2021-12-31 | As at 2020-12-31 | 2020-01-01 to 2020-12-31 | As at 2019-12-31 | 
|---|---|---|---|---|---|
| Disclosure of cash flow statement [text block] | — | — | — | — | — | 
| Cash and cash equivalents if different from statement of financial position [abstract] | |||||
| Cash and cash equivalents | 
                                                1,708
                                                
                                                    
                                                        iso4217:HRK
                                                    
                                                
                                             | — | 
                                                1,707
                                                
                                                    
                                                        iso4217:HRK
                                                    
                                                
                                             | — | 
                                                1,612
                                                
                                                    
                                                        iso4217:HRK
                                                    
                                                
                                             | 
| Income taxes paid (refund) [abstract] | |||||
| Income taxes paid (refund), classified as operating activities | — | 
                                                274,000
                                                
                                                    
                                                        iso4217:HRK
                                                    
                                                
                                             | — | 
                                                65,000
                                                
                                                    
                                                        iso4217:HRK
                                                    
                                                
                                             | — |