ACCOUNTS RECEIVABLE (Tables)
 12 Months Ended
Dec. 31, 2012
Receivables [Abstract]  
Schedule Of Other Current Assets [Table Text Block]
    December 31,  
    2 0 1 2     2 0 1 1  
    U.S. $ in thousands  
             
Government institutions     108       76  
Grants receivable from the CSO     634       236  
      742       312