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SHAREHOLDERS' EQUITY (Tables)
 12 Months Ended
Dec. 31, 2025
Stockholders' Equity Note [Abstract]  
Schedule of Compensation Costs Charged for Share Incentive Plan
 
Years Ended December 31,
   
2 0 2 5
    
2 0 2 4
    
2 0 2 3
  
   
U.S. dollars in thousands
  
                   
Cost of revenues
  
$
37
    
$
52
    
$
60
  
Research and development expenses
    
129
      
163
      
180
  
Selling and marketing expenses
    
4
      
3
      
3
  
General and administrative expenses
    
29
      
34
      
38
  
   
$
199
    
$
252
    
$
281
  
Schedule of Summary Status of Share Incentive Plan
   
Years Ended December 31,
  
   
2 0 2 5
    
2 0 2 4
    
2 0 2 3
  
   
Number
    
Weighted average exercise price
    
Number
    
Weighted average exercise price
    
Number
    
Weighted average exercise price
  
                                     
Options outstanding at
                                    
the beginning of year 
    
489,500
    
$
0.807
      
501,000
    
$
0.003
      
452,500
    
$
0.003
  
Changes during year: 
                                                
Granted (a)
    
100,000
    
$
1.800
      
200,000
    
$
1.972
      
132,000
    
$
0.003
  
Exercised 
    
(124,500
)
  
$
0.003
      
(181,500
)
  
$
0.003
      
(60,500
)
  
$
0.003
  
Forfeited 
    
(26,000
)
  
$
0.003
      
(26,000
)
  
$
0.003
      
(15,000
)
  
$
0.003
  
Expired 
    
-
              
(4,000
)
  
$
0.003
      
(8,000
)
  
$
0.003
  
 
                                                
Options outstanding at the end of year 
    
453,000
    
$
1.269
      
489,500
    
$
0.807
      
501,000
    
$
0.003
  
                                                 
Options exercisable at the end of year 
    
36,000
    
$
0.003
      
21,000
    
$
0.003
      
30,000
    
$
0.003
  
                                                 
Weighted average grant date fair value of options granted during the year (b)
          
$
0.15
            
$
0.09
            
$
1.28
  
Schedule of Fair Value of Stock Option Granted to Black-Scholes Option Pricing Model
   
Years Ended December 31,
  
   
2 0 2 5
    
2 0 2 4
    
2 0 2 3
  
                   
Dividend yield
    
10.95
%
    
12.31
%
    
10.48
%
Expected volatility*
    
24.63
%
    
25.79
%
    
51
%
Average risk-free interest rate
    
3.98
%
    
4.14
%
    
4.53
%
Expected average term - in years
    
3.88
      
3.88
      
3.88
  
 
* Volatility is based on the historical volatility of the Company’s share price for periods matching the expected term of the option until exercise.
Schedule of Information about Outstanding Options and Exercisable Options
      Options Outstanding        Options Exercisable          
     
Number
  
Weighted
        
Number
  
Weighted
      
     
outstanding
  
average
    
Weighted
  
exercisable
  
average
    
 Weighted
 
Range of
  
at
  
remaining
    
average
  
at
  
remaining
    
average
 
exercise
  
December 31,
  
contractual
    
exercise
  
December 31,
  
contractual
    
exercise
 
prices
  
2 0 2 5
  
life
    
price
  
2 0 2 5
  
life
    
price
         
Years
            
Years
      
                               
$
 0.003 - 1.972
  
453,000
  
3.19
   $
1.269
  
36,000
  
1.89
   $
 0.003