Registration statement for securities of certain foreign private issuers

Transactions with Related Parties (Details)

v3.22.4
Transactions with Related Parties (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Related Party Transactions [Abstract]      
Aggregate amount of research and development expenses $ 241 $ 252 $ 163