General form of registration statement for all companies including face-amount certificate companies

Shareholders' Equity (Detail) - Stock Option Activity

v2.4.0.6
Shareholders' Equity (Detail) - Stock Option Activity (USD $)
12 Months Ended 12 Months Ended 12 Months Ended
Jan. 31, 2013
Jan. 31, 2012
Oct. 31, 2011
Share 2000 Plan [Member]
Oct. 31, 2012
Share 2000 Plan [Member]
Oct. 31, 2010
Share 2000 Plan [Member]
Oct. 31, 2012
Share 2003 Plan [Member]
Oct. 31, 2011
Share 2003 Plan [Member]
Oct. 31, 2010
Share 2003 Plan [Member]
Oct. 31, 2012
Share 2010 Plan [Member]
Oct. 31, 2011
Share 2010 Plan [Member]
Oct. 31, 2010
Share 2010 Plan [Member]
Options Outstanding, Shares         870,466 16,350,045   18,112,045 2,820,000 1,050,000 1,035,000
Options Outstanding, Weighted Average Exercise Price Per Share (in Dollars per share)         $ 0.66 $ 0.715   $ 0.80 $ 0.248 $ 0.31 $ 0.21
Options Outstanding, Aggregate Intrinsic Value (in Dollars) $ 0 $ 148,000       $ 222,000     $ 109,730    
Options Exercisable, Shares           16,290,045     1,928,750    
Options Exercisable, Weighted Average Exercise Price Per Share (in Dollars per share)           $ 0.718     $ 0.261    
Options Exercisable, Aggregate Intrinsic Value (in Dollars)           211,000     73,346    
Expired, Share     (870,466)       (60,000)        
Expired, Weighted Average Exercise Price Per Share (in Dollars per share)     $ 0.66       $ 0.59        
Exercised, Shares             (500,000)   (1,290,000) (5,120,000)  
Exercised, Weighted Average Exercise Price Per Share (in Dollars per share)             $ 0.25   $ 0.16 $ 0.23  
Options Outstanding and Exercisable, Share       0     17,552,045        
Options Outstanding and Exercisable, Weighted Average Exercise Price Per Share (in Dollars per share)       $ 0     $ 0.81        
Options Outstanding and Exercisable, Aggregate Intrinsic Value (in Dollars)       $ 0              
Granted, Shares           60,000     3,060,000 5,135,000  
Granted, Weighted Average Exercise Price Per Share (in Dollars per share)           $ 0.072     $ 0.19 $ 0.25  
Forfeited           (195,000)          
Cancelled           (1,067,000)          
Cancelled (in Dollars per share)           $ 0.86