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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 9 Months Ended
Jul. 31, 2016
Jul. 31, 2015
Jul. 31, 2016
Jul. 31, 2015
Net income (loss) attributable to OCC (numerator) $ 188,163 $ (572,572) $ (2,539,980) $ (1,290,899)
Shares (denominator) (in shares) 7,115,389 6,210,454 6,403,352 6,232,973
Basic and diluted net income (loss) per share (in dollars per share) $ 0.03 $ (0.09) $ (0.40) $ (0.21)