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Note 15 - Shareholders' Equity - Share Repurchases (Details) (USD $)	12 Months Ended
	Oct. 31, 2014	Oct. 31, 2013	Oct. 31, 2012
2014 (in shares)	44,464occ_RepurchaseAndRetirementOfCommonStockShares	129,500occ_RepurchaseAndRetirementOfCommonStockShares	267,000occ_RepurchaseAndRetirementOfCommonStockShares
2014	$ 195,206occ_RepurchaseAndRetirementOfCommonStockAtCost	$ 543,420occ_RepurchaseAndRetirementOfCommonStockAtCost	$ 1,176,661occ_RepurchaseAndRetirementOfCommonStockAtCost

X

- Definition

Represents the repurchase and retirement of common stock (at cost).

+ References

No definition available.

+ Details

Name:	occ_RepurchaseAndRetirementOfCommonStockAtCost
Namespace Prefix:	occ_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Represents the repurchase and retirement of common stock shares.

+ References

No definition available.

+ Details

Name:	occ_RepurchaseAndRetirementOfCommonStockShares
Namespace Prefix:	occ_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration