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Stock Options and Warrants - Additional Information (Detail) (USD $)
3 Months Ended 6 Months Ended
Jun. 30, 2012
Jun. 30, 2012
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Stock option awards, shares     
Stock option expense   $ 34,067
Stock warrants granted for services, shares     
Stock warrant expense $ 0