v3.22.2.2
SHARE-BASED PAYMENT (summary of warrants (excluding pre-funded warrants) activity and related information ) (Details) - $ / shares
6 Months Ended 12 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Dec. 31, 2021
Dec. 31, 2020
Weighted average exercise price        
Outstanding, Beginning balance $ 0.68 $ 0.00 $ 0.00  
Granted 0.11   0.68  
Forfeited     (0.00)  
Exercised   $ 0.2 0.00  
Outstanding, Ending balance 0.24   $ 0.68 $ 0.00
Vested and expected to vest at June 30, 2022 (unaudited) 0.24      
Exercisable at June 30, 2022 (unaudited) $ 0.24      
Weighted average remaining contractual life        
Outstanding       0 years
Granted 3 years 8 months 23 days   2 years 10 days  
Vested and expected to vest at June 30, 2022 (unaudited) 3 years 2 months 15 days      
Exercisable at June 30, 2022 (unaudited) 3 years 2 months 15 days   2 years 10 days  
Class A Ordinary shares        
Number of options        
Ordinary shares, Beginning balance 100,000,000      
Ordinary shares, Granted 320,000,000   100,000,000  
Ordinary shares, Ending balance 420,000,000   100,000,000  
Number of shares options vested 420,000,000      
Ordinary shares, Exercisable 420,000,000