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Note 8 - Net Loss Per Share - Components of Reconciliation of Numerators and Denominators Net Loss Per Share (Details) - USD ($)
3 Months Ended 6 Months Ended
Apr. 30, 2016
Apr. 30, 2015
Apr. 30, 2016
Apr. 30, 2015
Net loss attributable to OCC (numerator) $ (983,122) $ (490,144) $ (2,728,143) $ (718,327)
Shares (denominator) (in shares) 6,357,067 6,166,556 6,346,871 6,212,340
Basic and diluted net loss per share (in dollars per share) $ (0.15) $ (0.08) $ (0.43) $ (0.12)