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Subsequent events
12 Months Ended
Dec. 31, 2012
Subsequent Events [Abstract]  
Subsequent Events [Text Block]

23. Subsequent events

 

The Company evaluated subsequent events through the time of the filing of its Annual Report on Form 10-K. The Company is not aware of any significant events that occurred subsequent to the balance sheet date but prior to the filing of this report that would have a material impact on its consolidated financial statements.