v3.26.1
MEZZANINE EQUITY (Details Narrative)
$ / shares in Units, ¥ in Thousands, $ in Thousands
12 Months Ended
Mar. 22, 2021
USD ($)
$ / shares
shares
Mar. 22, 2021
CNY (¥)
Aug. 10, 2018
USD ($)
$ / shares
shares
Aug. 10, 2018
CNY (¥)
Aug. 01, 2017
USD ($)
$ / shares
shares
Aug. 01, 2017
CNY (¥)
May 22, 2017
USD ($)
$ / shares
shares
May 22, 2017
CNY (¥)
Mar. 27, 2017
USD ($)
$ / shares
shares
Mar. 27, 2017
CNY (¥)
Jun. 29, 2015
USD ($)
$ / shares
shares
Jun. 29, 2015
CNY (¥)
Aug. 08, 2014
USD ($)
$ / shares
shares
Aug. 08, 2014
CNY (¥)
Dec. 31, 2025
USD ($)
MezzanineEquityLineItem [Line Items]                              
Annual internal rate discerption                             one hundred percent (100%) of the issuance price, plus an annual internal rate of return of thirty percent (30%) of the issuance price over the period from issuance date to the date of payment in full of the redemption price in (i) either event (B) or event (C), and (ii) the valuation of the Company for the private placement financing, if there is any, is less than US$200 million. Because the Company failed to consummate a Qualified IPO by August 8, 2019, the Series A Preferred Shares became redeemable at the option of the shareholders of the Series A Preferred Shares from August 8, 2019 to March 22, 2021.
pre-offering valuation | $                             $ 1,000,000
Series A redeemable convertible preferred stock [Member] | Share Purchase Agreement [Member]                              
MezzanineEquityLineItem [Line Items]                              
Temporary stock, shares issued | shares                         20,000,000    
Share issued price per share | $ / shares                         $ 0.20    
Proceeds from issuance of shares                         $ 4,000 ¥ 24,595  
Series B redeemable convertible preferred stock [Member] | Share Purchase Agreement [Member]                              
MezzanineEquityLineItem [Line Items]                              
Temporary stock, shares issued | shares                     11,111,111        
Share issued price per share | $ / shares                     $ 1.35        
Proceeds from issuance of shares                     $ 15,000 ¥ 91,807      
Series C redeemable convertible preferred stock [Member] | Share Purchase Agreement [Member]                              
MezzanineEquityLineItem [Line Items]                              
Temporary stock, shares issued | shares                 26,111,112            
Share issued price per share | $ / shares                 $ 1.80            
Proceeds from issuance of shares                 $ 47,000 ¥ 322,774          
Series C-1 redeemable convertible preferred stock [Member] | Share Purchase Agreement [Member]                              
MezzanineEquityLineItem [Line Items]                              
Temporary stock, shares issued | shares             16,164,778                
Share issued price per share | $ / shares             $ 2.19                
Proceeds from issuance of shares             $ 35,340 ¥ 238,744              
Series C-2 redeemable convertible preferred stock [Member] | Share Purchase Agreement [Member]                              
MezzanineEquityLineItem [Line Items]                              
Temporary stock, shares issued | shares         4,843,800                    
Share issued price per share | $ / shares         $ 2.48                    
Proceeds from issuance of shares         $ 12,000 ¥ 80,674                  
Series D-1 redeemable convertible preferred stock [Member] | Share Purchase Agreement [Member]                              
MezzanineEquityLineItem [Line Items]                              
Temporary stock, shares issued | shares     14,528,465                        
Share issued price per share | $ / shares     $ 3.48                        
Proceeds from issuance of shares     $ 50,500 ¥ 346,396                      
Series D-2 redeemable convertible preferred stock [Member] | Share Purchase Agreement [Member]                              
MezzanineEquityLineItem [Line Items]                              
Temporary stock, shares issued | shares 28,320,182                            
Share issued price per share | $ / shares $ 4.05                            
Proceeds from issuance of shares $ 114,750 ¥ 747,794