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Additional Paid in Capital
6 Months Ended
Jun. 30, 2011
Additional Paid in Capital Disclosure [Abstract]  
Additional Paid in Capital
13.           Additional Paid-In Capital

   
For the period ended
 
   
June 30,
  
December 31,
 
   
2011
  
2010
 
Balance, beginning of period
 $7,565  $6,862 
          
Cancelled options
  -   4 
Expired options
  -   699 
Expired warrants - Note 12
  336   - 
          
Balance, end of period
 $7,901  $7,565