Registration statement for securities of certain foreign private issuers

Fair Value Measurements (Details) - Schedule of financial assets and liabilities measured at fair value on a recurring basis

v3.22.4
Fair Value Measurements (Details) - Schedule of financial assets and liabilities measured at fair value on a recurring basis - Fair Value, Recurring [Member] - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Fair Value Measurements (Details) - Schedule of financial assets and liabilities measured at fair value on a recurring basis [Line Items]    
Short-term investment $ 237 $ 75
Level 1 [Member]]    
Fair Value Measurements (Details) - Schedule of financial assets and liabilities measured at fair value on a recurring basis [Line Items]    
Short-term investment 237 75
Level 2 [Member]    
Fair Value Measurements (Details) - Schedule of financial assets and liabilities measured at fair value on a recurring basis [Line Items]    
Short-term investment
Level 3 [Member]    
Fair Value Measurements (Details) - Schedule of financial assets and liabilities measured at fair value on a recurring basis [Line Items]    
Short-term investment