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Short Term Investment (Details)
$ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2023
USD ($)
Dec. 31, 2022
USD ($)
Sep. 06, 2021
USD ($)
Sep. 06, 2021
CNY (¥)
Short Term Investment (Details) [Line Items]        
Short term investment $ 1,180 $ 990    
Equity fund invests     $ 1,870 ¥ 13,000,000
Market value   990    
Investment portfolio 180 $ 910    
Short term investment [Member]        
Short Term Investment (Details) [Line Items]        
Market value $ 1,180      
Private Equity Funds [Member]        
Short Term Investment (Details) [Line Items]        
Equity fund invests     $ 1,890 ¥ 13,000,000