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Note 14 - Net Loss Per Share (Tables) | 12 Months Ended
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Oct. 31, 2017
Notes Tables |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
|  | Years ended October 31, |
|  | 2017 |  |  | 2016 |  |  | 2015 |
Net loss attributable to OCC (numerator) |  | $ | (1,738,771 | ) |  | $ | (1,778,822 | ) |  | $ | (4,255,665 | )
Shares (denominator) |  |  | 6,546,862 |  |  |  | 6,443,162 |  |  |  | 6,201,478 |
Basic and diluted net loss per share |  | $ | (0.27 | ) |  | $ | (0.28 | ) |  | $ | (0.69 | )

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