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Post-effective amendment to a registration statement that is not immediately effective upon filing

Stockholders' Equity (Deficiency) (Summary of Compensation Expense for Stock Options Granted to Non-employees from 10K) (Details)

v2.4.0.8
Stockholders' Equity (Deficiency) (Summary of Compensation Expense for Stock Options Granted to Non-employees from 10K) (Details) (Stock Incentive Plan To Non Employees [Member])
 3 Months Ended 12 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Dec. 31, 2012
Dec. 31, 2011
Stock Incentive Plan To Non Employees [Member]
        
Expected life (years) minimum     2 years 8 months 12 days   
Expected life (years) maximum     5 years   
Expected volatility minimum     44.20%   
Expected volatility maximum     50.00%   
Weighted-average volatility    44.20% 47.40%   
Risk-free interest rate, Minimum     0.37%   
Risk-free interest rate, Maximum     0.60%   
Dividend yield    0.00% 0.00%