Disclosure Of Entity's Operating Segments [Text Block]
| Concept | As at 2021-12-31 | 2021-01-01 to 2021-12-31 | 2021-01-01 to 2021-12-31 | 2020-01-01 to 2020-12-31 | As at 2020-12-31 | 2020-01-01 to 2020-12-31 | 
|---|---|---|---|---|---|---|
| Disclosure of entity's operating segments [text block] | — | — | — | — | — | — | 
| Disclosure of operating segments [text block] | — | — | — | — | — | — | 
| Disclosure of operating segments [abstract] | ||||||
| Disclosure of operating segments [line items] | ||||||
| Revenue | — | 
                                                376,232
                                                
                                                    
                                                        iso4217:HRK
                                                    
                                                
                                             | — | — | — | 
                                                357,788
                                                
                                                    
                                                        iso4217:HRK
                                                    
                                                
                                             | 
| Depreciation and amortisation expense | — | 
                                                4,756
                                                
                                                    
                                                        iso4217:HRK
                                                    
                                                
                                             | — | — | — | 
                                                4,199
                                                
                                                    
                                                        iso4217:HRK
                                                    
                                                
                                             | 
| Tax expense (income) | — | 
                                                487,000
                                                
                                                    
                                                        iso4217:HRK
                                                    
                                                
                                             | — | — | — | 
                                                346,000
                                                
                                                    
                                                        iso4217:HRK
                                                    
                                                
                                             | 
| Profit (loss) before tax | — | 
                                                86,000
                                                
                                                    
                                                        iso4217:HRK
                                                    
                                                
                                             | — | — | — | 
                                                5,767
                                                
                                                    
                                                        iso4217:HRK
                                                    
                                                
                                             | 
| Profit (loss) | — | 
                                                401,000
                                                
                                                    
                                                        iso4217:HRK
                                                    
                                                
                                             | 
                                                401,000
                                                
                                                    
                                                        iso4217:HRK
                                                    
                                                
                                             | 
                                                6,113
                                                
                                                    
                                                        iso4217:HRK
                                                    
                                                
                                             | — | 
                                                6,113
                                                
                                                    
                                                        iso4217:HRK
                                                    
                                                
                                             | 
| Assets | 
                                                380,293
                                                
                                                    
                                                        iso4217:HRK
                                                    
                                                
                                             | — | — | — | 
                                                396,161
                                                
                                                    
                                                        iso4217:HRK
                                                    
                                                
                                             | — | 
| Cash flows from (used in) operating activities | — | 
                                                4,653
                                                
                                                    
                                                        iso4217:HRK
                                                    
                                                
                                             | — | — | — | 
                                                9,828
                                                
                                                    
                                                        iso4217:HRK
                                                    
                                                
                                             | 
| Cash flows from (used in) investing activities | — | 
                                                953,000
                                                
                                                    
                                                        iso4217:HRK
                                                    
                                                
                                             | — | — | — | 
                                                11,765
                                                
                                                    
                                                        iso4217:HRK
                                                    
                                                
                                             | 
| Cash flows from (used in) financing activities | — | 
                                                3,699
                                                
                                                    
                                                        iso4217:HRK
                                                    
                                                
                                             | — | — | — | 
                                                1,843
                                                
                                                    
                                                        iso4217:HRK
                                                    
                                                
                                             | 
| Disclosure of products and services [text block] | — | — | — | — | — | — | 
| Disclosure of products and services [abstract] | ||||||
| Disclosure of products and services [line items] | ||||||
| Disclosure of geographical areas [text block] | — | — | — | — | — | — | 
| Disclosure of geographical areas [abstract] | ||||||
| Disclosure of geographical areas [line items] | ||||||
| Disclosure of major customers [text block] | — | — | — | — | — | — | 
| Disclosure of major customers [abstract] | ||||||
| Disclosure of major customers [line items] |