Quarterly report pursuant to sections 13 or 15(d)

Segment Information (Detail) - Selected Financial Information for our Segments

v2.4.0.6
Segment Information (Detail) - Selected Financial Information for our Segments (USD $)
3 Months Ended 9 Months Ended
Jul. 31, 2012
Jul. 31, 2011
Jul. 31, 2012
Jul. 31, 2011
Net revenue $ 249,470 $ 450,360 $ 946,735 $ 554,233
Net income (loss) (629,102) (1,773,498) (2,392,296) (4,586,647)
Display Technology
       
Net revenue 246,670 426,000 940,010 426,000
Net income (loss) (631,188) (1,576,313) (2,199,560) (3,878,176)
Encryption Products and Services
       
Net revenue 2,800 24,360 6,725 128,233
Net income (loss) $ 2,086 $ (197,185) $ (192,736) $ (708,471)