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General (Details) - USD ($)
$ in Thousands
 1 Months Ended 3 Months Ended 6 Months Ended 12 Months Ended
Jun. 21, 2020
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Dec. 31, 2020
General (Details) [Line Items]            
Cash equivalents, short-term deposits and long-term deposits   $ 52,906   $ 52,906    
Net Income (Loss) Attributable to Parent   (10,477) $ (16,993) (19,164) $ (22,862) $ (36,869)
Cash flows from operating activities       13,551    
Accumulated deficit   $ (151,450)   $ (151,450)   $ (132,286)
Description of reverse share split the Company’s Board of Directors resolved to consolidate the Company’s share capital by applying a reverse share split at a ratio of 1.046:1 and to cancel the Company’s ordinary shares (the “Ordinary Shares”) par value, such that every 1.046 Ordinary Shares of NIS 0.8 par value, were substituted by 1 Ordinary Share with no par value (“the Split”). The Split was applied in the same proportion and manner to all of the Company’s authorized, issued and outstanding securities, including preferred shares, options and warrants.          
Initial Public Offering [Member]            
General (Details) [Line Items]            
Sale of ordinary shares (in Shares)         4,312,500  
Aggregate net proceeds         $ 62,757  
Over-Allotment Option [Member]            
General (Details) [Line Items]            
Sale of ordinary shares (in Shares)         562,500