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Share-Based Payment (Narrative) (Details 1) (USD $)
9 Months Ended
Sep. 30, 2012
Sep. 30, 2013
Share-Based Payment Narrative Details 1    
Shares made available under option grants   2,398,400
Option grant exercise price   $ 0.23
Option vesting period, in years 5 years  
Option expiration period, in years 10 years  
Number of shares of common stock available for purchase under warrants outstanding   575,613
Warrant exercise price, per share   $ 0.44
Warrant expiration date   2014-11-13