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Stock-Based Compensation (Tables)
3 Months Ended
Mar. 31, 2013
Consultant [Member]
 
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 weighted average assumptions:

      2013       2012
Risk free interest rate 0.3%   0.6%
Option Life   5 years 5 years
Volatility 53% 58%
Employee Stock Option [Member]
 
Disclosure of Share-based Compensation Arrangements by Share-based Payment Award [Table Text Block]

The Company valued these 2013 grants using the Black-Scholes option pricing model with the following assumptions:

                    Risk free interest rate 0.8%
Option Life 5 years
Volatility 71%