XML 57 R65.htm IDEA: XBRL DOCUMENT v2.4.0.6
Stock Option Activity (Detail) (USD $)
 12 Months Ended
Jan. 31, 2013
Jan. 31, 2012
Jan. 31, 2011
Shares      
Beginning balance 1,150,000 0  
Granted 4,225,000 1,150,000  
Exercised (75,000) 0  
Expired 0 0  
Forfeited 0 0  
Ending balance 5,300,000 1,150,000 0
Vested and expected to vest 2,733,336    
Exercisable at end of period 2,733,336    
Weighted-Average Per Share Exercise Price      
Beginning balance $ 0.15 $ 0  
Granted $ 0.19 $ 0.15  
Exercised $ 0.21 $ 0  
Expired $ 0 $ 0  
Forfeited $ 0 $ 0  
Ending balance $ 0.18 $ 0.15 $ 0
Vested and expected to vest $ 0.18    
Exercisable at end of period $ 0.18    
Weighted-Average Remaining Contractual Term      
Balance 9 years 1 month 6 days 8 years 10 months 24 days 0 years
Granted 9 years 2 months 12 days 0 years  
Exercised 0 years 0 years  
Expired 0 years 0 years  
Forfeited 0 years 0 years  
Vested and expected to vest 8 years 10 months 24 days    
Exercisable at end of period 8 years 10 months 24 days    
Aggregate Intrinsic Value      
Beginning Balance $ 0 $ 0  
Granted 0 0  
Exercised 0 0  
Expired 0 0  
Forfeited 0 0  
Balance at end of period 0 0 0
Vested and expected to vest 0    
Exercisable at end of period $ 0