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Investments (Details) - Schedule of amortized cost and gross unrealized losses on all securities - Short-term Investments [Member] - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2022
Dec. 31, 2021
U.S. Treasury Securities [Member]    
Investments (Details) - Schedule of amortized cost and gross unrealized losses on all securities [Line Items]    
Amortized cost $ 14,752 $ 14,751
Gross unrealized gains
Gross unrealized losses
Fair value 14,752 14,751
Marketable Securities [Member]    
Investments (Details) - Schedule of amortized cost and gross unrealized losses on all securities [Line Items]    
Amortized cost 1,054  
Gross unrealized gains 7  
Gross unrealized losses  
Fair value 1,061  
Total Short-term Investments [Member]    
Investments (Details) - Schedule of amortized cost and gross unrealized losses on all securities [Line Items]    
Amortized cost 15,806 14,751
Gross unrealized gains 7
Gross unrealized losses
Fair value $ 15,813 $ 14,751