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Selling, General And Administrative Expenses (Tables)
12 Months Ended
Dec. 31, 2016
Selling, General And Administrative Expenses [Abstract]  
Schedule Of Selling, General And Administrative Expenses

Selling, general and administrative expenses consisted of the following for the years ended December 31, 2016,  2015 and 2014:













 

 

 

 

 

 

 

 



Year Ended December 31,



2016

 

2015

 

2014

Personnel expenses

$

149,505 

 

$

161,967 

 

$

130,254 

Share-based compensation

 

102,843 

 

 

100,162 

 

 

68,152 

Travel expenses

 

21,201 

 

 

23,090 

 

 

17,501 

Professional services

 

30,983 

 

 

42,921 

 

 

32,359 

Office expenses

 

20,703 

 

 

26,989 

 

 

21,678 

Directors' expenses

 

3,051 

 

 

2,780 

 

 

3,441 

Other expenses

 

22,726 

 

 

23,399 

 

 

26,507 



$

351,012 

 

$

381,308 

 

$

299,892