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Significant Customers
3 Months Ended
Mar. 31, 2018
Risks and Uncertainties [Abstract]  
Significant Customers
Significant Customers

All revenues are domestic revenues, of which 84% are currently generated from our two largest customers: HFC and Delek.

The following table presents the percentage of total revenues generated by each of these customers:
 
 
Three Months Ended March 31,
 
 
2018
 
2017
HFC
 
79
%
 
84
%
Delek
 
5
%
 
8
%