Disclosure Of Effect Of Changes In Foreign Exchange Rates [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 effect of changes in foreign exchange rates [text block] | — | — | — | — | — | — | 
| Disclosure of information when currency is not exchangeable into another currency [text block] | — | — | — | — | — | — | 
| Disclosure of information when foreign operation’s functional currency is not exchangeable into presentation currency [text block] | — | — | — | — | — | — | 
| Disclosure of summarised financial information about foreign operation [text block] | — | — | — | — | — | — | 
| Disclosure of summarised financial information about foreign operation [abstract] | ||||||
| Disclosure of summarised financial information about foreign operation [line items] | ||||||
| Non-current assets | 
                                                265,306
                                                
                                                    
                                                        iso4217:HRK
                                                    
                                                
                                             | — | — | — | 
                                                267,447
                                                
                                                    
                                                        iso4217:HRK
                                                    
                                                
                                             | — | 
| Current assets | 
                                                114,987
                                                
                                                    
                                                        iso4217:HRK
                                                    
                                                
                                             | — | — | — | 
                                                128,714
                                                
                                                    
                                                        iso4217:HRK
                                                    
                                                
                                             | — | 
| Non-current liabilities | 
                                                75,731
                                                
                                                    
                                                        iso4217:HRK
                                                    
                                                
                                             | — | — | — | 
                                                123,524
                                                
                                                    
                                                        iso4217:HRK
                                                    
                                                
                                             | — | 
| Current liabilities | 
                                                172,484
                                                
                                                    
                                                        iso4217:HRK
                                                    
                                                
                                             | — | — | — | 
                                                141,074
                                                
                                                    
                                                        iso4217:HRK
                                                    
                                                
                                             | — | 
| Revenue | — | 
                                                376,232
                                                
                                                    
                                                        iso4217:HRK
                                                    
                                                
                                             | — | — | — | 
                                                357,788
                                                
                                                    
                                                        iso4217:HRK
                                                    
                                                
                                             | 
| Profit (loss) | — | 
                                                401,000
                                                
                                                    
                                                        iso4217:HRK
                                                    
                                                
                                             | 
                                                401,000
                                                
                                                    
                                                        iso4217:HRK
                                                    
                                                
                                             | 
                                                6,113
                                                
                                                    
                                                        iso4217:HRK
                                                    
                                                
                                             | — | 
                                                6,113
                                                
                                                    
                                                        iso4217:HRK
                                                    
                                                
                                             | 
| Other comprehensive income | — | 
                                                114,000
                                                
                                                    
                                                        iso4217:HRK
                                                    
                                                
                                             | — | — | — | 
                                                225,000
                                                
                                                    
                                                        iso4217:HRK
                                                    
                                                
                                             | 
| Comprehensive income | — | 
                                                515,000
                                                
                                                    
                                                        iso4217:HRK
                                                    
                                                
                                             | — | — | — | 
                                                6,338
                                                
                                                    
                                                        iso4217:HRK
                                                    
                                                
                                             |