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COMMITMENTS (Narrative) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Loss Contingencies [Line Items]      
Lease expire Dec. 31, 2020    
Expense recognized $ 25 $ 32 $ 32
Restricted deposit 1,150 $ 350 $ 350
Officer [Member]      
Loss Contingencies [Line Items]      
Restricted deposit $ 143    
Vehicles [Member]      
Loss Contingencies [Line Items]      
Operating lease agreements period 3 years    
Master Clinical Trial Services Agreement [Member]      
Loss Contingencies [Line Items]      
Consideration for services payment $ 14,425    
Expense recognized 14,354    
Clinical Development Master Services Agreement [Member] | Agreement One [Member]      
Loss Contingencies [Line Items]      
Consideration for services payment 13,955    
Expense recognized 13,801    
Clinical Development Master Services Agreement [Member] | Agreement Two [Member]      
Loss Contingencies [Line Items]      
Consideration for services payment 2,234    
Expense recognized $ 2,099    
IIA [Member]      
Loss Contingencies [Line Items]      
Percentage of royalties payments shall not exceed aggregate rant received 300.00%    
Grant received $ 1,431    
Accumulated royalty expense $ 2,086    
Yissum [Member]      
Loss Contingencies [Line Items]      
Royalties pay for net sales related to patents 1.50%    
Minimum [Member] | IIA [Member]      
Loss Contingencies [Line Items]      
Royalties payable on the sale of products developed 3.50%    
Minimum [Member] | Yissum [Member]      
Loss Contingencies [Line Items]      
Percentage of proceeds received for sub licence 1.50%    
Maximum [Member] | IIA [Member]      
Loss Contingencies [Line Items]      
Royalties payable on the sale of products developed 25.00%    
Maximum [Member] | Yissum [Member]      
Loss Contingencies [Line Items]      
Percentage of proceeds received for sub licence 8.00%