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Subsequent events (Details) - item
 1 Months Ended
Aug. 31, 2023
Jul. 31, 2023
May 31, 2023
Apr. 30, 2023
Jun. 30, 2022
Disclosure of detailed information about business combination          
Number of intellectual property rights infringement case filled     9   4
Number of patent on which nullity action is filled       3  
Patent infringement lawsuit          
Disclosure of detailed information about business combination          
Number of intellectual property rights infringement case filled   3 5    
Total number of intellectual property rights infringement case   8      
Number of patent on which nullity action is filled 1