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Accumulated and Stockholders Deficit (Detail) (USD $)
Jan. 31, 2013
Jan. 31, 2012
Jan. 31, 2011
Accumulated And Stockholders Deficit [Line Items]      
Accumulated deficit $ 11,022,272 $ 2,117,708  
Stockholders' deficit $ 391,379 $ 421,220 $ 83,193