Registration statement for securities of certain foreign private issuers

General (Details)

v3.22.4
General (Details) - USD ($)
$ in Thousands
 6 Months Ended 12 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Accounting Policies [Abstract]          
Number of ordinary shares represent by each ADS (in Shares) 30   30    
Accumulated deficit $ 145,299        
Net losses (4,625) $ (5,097) $ (12,615) $ (14,443) $ (12,625)
Cash flows from operating activities $ 6,078   $ (9,858)