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Share-based Compensation - Additional Information (Detail) (USD $)
3 Months Ended 9 Months Ended
Sep. 30, 2013
Sep. 30, 2013
Share-Based Compensation [Line Items]    
Shares available for grant 950,000 950,000
Sharebased compensation arrangement by share based payment award options amortized expenses remaining amount   $ 5,894
Warrant
   
Share-Based Compensation [Line Items]    
Change in fair value of derivative 2,990 2,990
Convertible Promissory Notes Warrants
   
Share-Based Compensation [Line Items]    
Share-based compensation arrangement by share-based payment award, equity instruments other than options, grants in period, weighted average grant date fair value   $ 0.60
Fair value of warrants for 8% convertible promissory notes   $ 249,151
Share based compensation arrangement by share-based payment award, options, grants in period, gross   4,375,004