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Property and Equipment, Net (Tables)
12 Months Ended
Dec. 31, 2022
Property and Equipment, Net [Abstract]  
Schedule of property and equipment, net
   December 31 
   2022   2021 
   U.S. dollars in thousands 
Cost:        
Electronic and laboratory equipment   4,538    4,045 
Furniture and office equipment   407    407 
Leasehold improvements   657    657 
Production equipment   668    308 
Computers and software   3,270    2,697 
    9,540    8,114 
Less: accumulated depreciation   (6,750)   (5,373)

Property and equipment, net

   2,790    2,741