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Warrants (Tables)
12 Months Ended
Dec. 31, 2022
Schedule of warrants fair value [Abstract]  
Schedule of comprehensive loss related to the comerica warrants
   2022   2021 
   U.S. dollars in thousands 
Outstanding as of January 1   2,149    1,023 
Fair value changes   1,049    1,031 
Additions   
-
    95 
Conversion to the Company’s common stock   (3,190)   
-
 
Outstanding as of December 31   8    2,149