XML 94 R79.htm IDEA: XBRL DOCUMENT v3.24.1.u1
Convertible Bonds - Additional Information (Details) - Convertible Bonds - 2016 Notes - Shanghai Wanwuxinsheng Environmental Protection Technology Group Co., Ltd. (Previously Shanghai Yueyee Network Information Technology Co., Ltd) (“Shanghai Yueyee” or “Shanghai Wanwuxinsheng”)
12 Months Ended
Nov. 28, 2016
CNY (¥)
Dec. 31, 2021
CNY (¥)
Dec. 31, 2018
CNY (¥)
shares
Nov. 28, 2016
$ / shares
Debt Instrument [Line Items]        
Aggregate principal amount ¥ 200,000,000      
Maturity date Jun. 30, 2018      
Debt conversion, amount of debt converted     ¥ 40,000,000  
Beneficial conversion feature ¥ 0      
Series C-3 Convertible Redeemable Preferred Shares        
Debt Instrument [Line Items]        
Conversion price | $ / shares       $ 2.6532
Debt conversion, shares issued on conversion | shares     2,255,380  
Series C Convertible Redeemable Preferred Shares        
Debt Instrument [Line Items]        
Debt conversion, amount of debt converted   ¥ 160,000,000