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REVENUES (Tables)
 6 Months Ended
Jun. 30, 2018
Income Statement [Abstract]  
Statements of operations
The following table summarizes the Company’s disaggregation of revenues:
 
 
Six Months Ended June 30,
 
(U.S. dollars in thousands)
 
2018
 
 
2017
 
Revenues:
 
 
 
 
 
 
Pfizer
         
 
$
3,986
 
 
$
5,671
 
Brazil
         
 
$
2,573
 
 
$
3,576
 
 
 
$
6,559
 
 
$
9,247