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Basis of Presentation and Revenue Recognition (Tables)
3 Months Ended
Mar. 31, 2014
Basis of Presentation and Revenue Recognition [Abstract]  
Percentage of revenue by major customers

For the three months ended March 31, 2013 the following customer provided more than 10% of the Company's consolidated revenue:

 
 
 
Three Months ended
March 31,
 
 
 
2014
 
2013
Slovenské elektrárne, a.s.
 
 
8.3%
 
23.3%