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Options and Warrants - Additional Information (Detail) (USD $)
9 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Stockholders Equity [Line Items]    
Share based compensation expense $ 294,756 $ 143,354
Unrecognized compensation expense $ 1,136,146  
Weighted average period expected to be recognized 2 years 8 months 26 days  
Maximum | 2009 Equity Incentive Plan (Executive)
   
Stockholders Equity [Line Items]    
Option issued to purchase restricted common stock 350,000