Income Taxes - Additional Information (Detail) (USD $)
6 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Income Taxes [Line Items]    
Unified income tax rate 25.00% 25.00%
United States of America
   
Income Taxes [Line Items]    
Net operating losses carry forward 2,702,975  
Expiration date 2032  
Valuation allowance against deferred tax asset 919,012