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Stock Options (Details Textual) (USD $)
In Thousands, except Share data, unless otherwise specified
9 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Dec. 31, 2011
Stock Options (Textual) [Abstract]      
Number 10,000    
Stock Options (Additional Textual) [Abstract]      
Option term Maximum period 10 years    
Option term Minimum period 3 years    
Stock options granted 0     
Stock options vested 0 0  
Aggregate intrinsic value of outstanding stock options $ 0   $ 0
Exercise price, Lower limit $ 20.50    
Expiry date of stock options Jul. 02, 2012    
Range 1 [Member]
     
Stock Options (Textual) [Abstract]      
Number 19,500    
Corporations Stock Option and Stock Appreciation Rights Plan [Member]
     
Stock Options (Textual) [Abstract]      
Options provided for issue 225,000