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FINANCIAL INSTRUMENTS AND FAIR VALUE MEASUREMENTS Change in fair value of derivatives (Tables)
6 Months Ended
Jun. 30, 2012
FINANCIAL INSTRUMENTS AND FAIR VALUE MEASUREMENTS [Abstract]  
Schedule of Derivative Instruments, Gain (Loss) in Statement of Financial Performance [Table Text Block]
The change in fair value of derivatives comprised the following for the three and six months ended June 30, 2012 and 2011:
 
For the Three Months Ended June 30,
 
For the Six Months Ended June 30,
 
2012

 
2011

 
2012

 
2011

Share Subscription Agreement
$
22,836

 
$

 
$
22,836

 
$

Company option
24,467

 

 
24,467

 

Interest rate swap
121

 
(60
)
 
357

 
301

Currency swap
(26
)
 
1,221

 
665

 
640

Call option

 

 

 
180

Change in fair value of derivatives
$
47,398

 
$
1,161

 
$
48,325

 
$
1,121