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Research and Development, Net (Tables)
12 Months Ended
Dec. 31, 2022
Research and Development [Abstract]  
Schedule of research and development
   Year ended December 31, 
   2022   2021   2020 
             
Payroll and related expenses  $5,049   $5,586   $5,065 
Share-based payment   174    608    1,119 
R&D consumables   160    318    390 
Rent and office maintenance   355    390    359 
Depreciation   130    132    123 
Subcontracted work and consulting   15    64    82 
Travel and other expenses   347    110    67 
   $6,230   $7,208   $7,205