Annual report pursuant to section 13 and 15(d)

Quarterly Results (Unaudited) (Detail) - Quarterly Results

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Quarterly Results (Unaudited) (Detail) - Quarterly Results (USD $)
3 Months Ended 12 Months Ended
Oct. 31, 2012
Jul. 31, 2012
Apr. 30, 2012
Jan. 31, 2012
Oct. 31, 2011
Jul. 31, 2011
Apr. 30, 2011
Jan. 31, 2011
Oct. 31, 2012
Oct. 31, 2011
Net revenue $ 350 $ 249,470 $ 248,070 $ 449,195 $ 448,960 $ 450,360 $ 86,915 $ 16,958 $ 947,085 $ 1,003,193
Cost and operating expenses 1,726,114 892,808 1,126,268 1,336,451 1,455,876 1,658,018 1,374,469 1,543,096    
Net loss $ (1,860,503) $ (629,102) $ (877,109) $ (886,085) $ (2,791,389) $ (1,773,498) $ (1,287,040) $ (1,526,109) $ (4,252,799) $ (7,378,036)
Net loss per share of common stock-basic and diluted (in Dollars per share) $ (0.01) $ 0.00 $ 0.00 $ 0.00 $ (0.02) $ (0.01) $ (0.01) $ (0.01) $ (0.02) $ (0.04)