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Significant Accounting Policies (Details) - USD ($)
$ in Thousands
1 Months Ended 4 Months Ended
Dec. 28, 2015
Dec. 31, 2021
Dec. 31, 2020
Mar. 18, 2021
Significant Accounting Policies (Details) [Line Items]        
Weighted average number of common stock (in Shares)   3,894,588 5,268,347  
Recognized revenue aggregate amount   $ 16,339    
Deferred revenue recognized   904    
Deferred revenue recognized remaining amount   6,043    
License Agreement [Member]        
Significant Accounting Policies (Details) [Line Items]        
Total consideration $ 49,500      
Value of common stock issued 38,883 $ 22,382    
Stock Purchase Agreement [Member]        
Significant Accounting Policies (Details) [Line Items]        
Value of common stock issued 10,617      
issuance expenses $ 23      
HTIT [Member]        
Significant Accounting Policies (Details) [Line Items]        
Oravax issued (in Shares)       1,890,000
Capital stock percentage       63.00%