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Significant Accounting Policies (Details)
€ in Millions
 12 Months Ended
Jan. 01, 2022
USD ($)
Dec. 31, 2022
USD ($)
Dec. 31, 2022
EUR (€)
Dec. 31, 2021
USD ($)
Dec. 31, 2020
USD ($)
Dec. 31, 2022
EUR (€)
Significant Accounting Policies (Details) [Line Items]            
Right-to-use assets and lease liabilities $ 3,388,000          
Adjustments for lease repayments $ 36,000          
Research and development expenses   $ 738,000   $ 542,000    
Received total amount   7,193,000        
Royalty bearing grants amount   4,888,000        
Non-royalty bearing grants amount   1,578,000        
Out of received amount   521,000        
Non-royalty bearing grants amount   727,000        
Fair value   (12,000)   28,000    
Financial expense (income)   $ 273,000   (58,000) $ (81,000)  
Tax benefit, percentage   50.00%       50.00%
Agreement term   10 years 10 years      
Non-refundable amount   $ 2,548,000 € 2.5      
Additional development-related milestones payments (in Euro) | €     23.0      
Additional amount of commercial sale milestones (in Euro) | €     € 87.0      
Transaction price   $ 2,548,000       € 2.5
Monthly deposits percentage rate   8.33%       8.33%
Severance pay expense amount   $ 537,000   547,000 $ 394,000  
Severance pay, description   All eligible employees may elect to contribute up to 100% of their payroll compensation (minus mandatory payroll deductions) to the plan, for 2022, up to a maximum of $20,500 per year (for employees over 50 years of age the maximum contribution was $28,000 per year), as determined by the U.S. Internal Revenue Service (“IRS”). The US Subsidiary matches at 100%, on each payroll, up to 5% of the employee compensation to the plan within the IRS limits (which was set at $300 in 2022 for purposes of the plan).       All eligible employees may elect to contribute up to 100% of their payroll compensation (minus mandatory payroll deductions) to the plan, for 2022, up to a maximum of $20,500 per year (for employees over 50 years of age the maximum contribution was $28,000 per year), as determined by the U.S. Internal Revenue Service (“IRS”). The US Subsidiary matches at 100%, on each payroll, up to 5% of the employee compensation to the plan within the IRS limits (which was set at $300 in 2022 for purposes of the plan).
Matching in contributions amounts   $ 30,000   $ 28,000    
Corresponding liabilities   $ 3,388        
Short-Term Deposits [Member] | Minimum [Member]            
Significant Accounting Policies (Details) [Line Items]            
Short-term deposit bearing interest percentage rate   4.55%       4.55%
Short-Term Deposits [Member] | Maximum [Member]            
Significant Accounting Policies (Details) [Line Items]            
Short-term deposit bearing interest percentage rate   5.90%       5.90%