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CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY - CNY (¥)
¥ in Thousands
Share capital [member]
Share premium [member]
Reverse recapitalization reserve [Member]
Merger reserve [member]
Share-based payment reserves [Member]
Statutory reserve [member]
Capital reserve [member]
Retained Earnings [Member]
Currency translation reserve [member]
Total
Balance (Previously stated [member]) at Dec. 31, 2019               ¥ (300,973)   ¥ 272,893
Balance at Dec. 31, 2019 ¥ 397 ¥ 701,944 ¥ (507,235) ¥ 58,989 ¥ 125,042 ¥ 135,343 ¥ 61,266   ¥ (1,880)  
Statement Line Items                    
Net loss for the year               (111,508)   (111,508)
Exchange difference on transaction of financial statements of foreign operations                 (91) (91)
Total comprehensive loss for the year               (111,508) (91) (111,599)
Issuance of new shares for equity financing 100 7,988               8,088
Equity compensation - employee share-based compensation 4       314         318
Balance at Jun. 30, 2020 501 709,932 (507,235) 58,989 125,356 135,343 61,266 (412,481) (1,971) 169,700
Balance at Dec. 31, 2020 591 717,808 (507,235) 58,989 126,164 135,343 61,266 (494,068) (1,509) 97,349
Statement Line Items                    
Net loss for the year               (70,769)   (70,769)
Exchange difference on transaction of financial statements of foreign operations | Previously stated [member]                   76
Exchange difference on transaction of financial statements of foreign operations                 76  
Total comprehensive loss for the year               (70,769) 76 (70,693)
Issuance of new shares for equity financing 233 29,744               29,977
Warrants exercised 106 10,287               10,393
Equity compensation - employee share-based compensation 7       825         832
Balance at Jun. 30, 2021 ¥ 937 ¥ 757,839 ¥ (507,235) ¥ 58,989 ¥ 126,989 ¥ 135,343 ¥ 61,266 ¥ (564,837) ¥ (1,433) ¥ 67,858