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Stock-Based Compensation (Tables)
6 Months Ended
Jun. 30, 2012
Disclosure Of Compensation Related Costs, Share-Based Payments [Abstract]  
Disclosure of Share-based Compensation Arrangements by Share-based Payment Award [Table Text Block]
The fair value of the options using the Black Scholes method with the following assumptions:
 
  Risk free interest rate 1.1%
Option Life 5 years
Volatility 73%