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Investments (Details) - Schedule of financial assets measured at fair value on a recurring basis - Fair Value, Measurements, Recurring [Member] - USD ($)
$ in Thousands
Jun. 30, 2022
Dec. 31, 2021
Available-for-sale securities — current:    
Total   $ 17,888
Money market funds [Member]    
Cash equivalents:    
Cash equivalents $ 3,088 3,137
U.S. Treasury securities [Member]    
Available-for-sale securities — current:    
Available-for-sale securities — current 14,768 14,751
Marketable securities [Member]    
Available-for-sale securities — current:    
Available-for-sale securities — current 1,066  
Total 18,922  
Level 1 [Member]    
Available-for-sale securities — current:    
Total   3,137
Level 1 [Member] | Money market funds [Member]    
Cash equivalents:    
Cash equivalents 3,088 3,137
Level 1 [Member] | U.S. Treasury securities [Member]    
Available-for-sale securities — current:    
Available-for-sale securities — current
Level 1 [Member] | Marketable securities [Member]    
Available-for-sale securities — current:    
Available-for-sale securities — current 1,066  
Total 4,154  
Level 2 [Member]    
Available-for-sale securities — current:    
Total   14,751
Level 2 [Member] | Money market funds [Member]    
Cash equivalents:    
Cash equivalents
Level 2 [Member] | U.S. Treasury securities [Member]    
Available-for-sale securities — current:    
Available-for-sale securities — current 14,768 14,751
Level 2 [Member] | Marketable securities [Member]    
Available-for-sale securities — current:    
Available-for-sale securities — current  
Total 14,768  
Level 3 [Member]    
Available-for-sale securities — current:    
Total  
Level 3 [Member] | Money market funds [Member]    
Cash equivalents:    
Cash equivalents
Level 3 [Member] | U.S. Treasury securities [Member]    
Available-for-sale securities — current:    
Available-for-sale securities — current
Level 3 [Member] | Marketable securities [Member]    
Available-for-sale securities — current:    
Available-for-sale securities — current  
Total