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Note 8 - Leases (Details Textual)	1 Months Ended		12 Months Ended
	Apr. 30, 2015 ft²	Aug. 31, 2008 ft²	Oct. 31, 2017 USD ($) ft²	Oct. 31, 2016 USD ($)	Oct. 31, 2015 USD ($)
Operating Leases, Rent Expense, Net | $			$ 403,178	$ 391,116	$ 479,937
Operating Lease for Office, Manufacturing and Warehouse Space in Plano, Texas [Member]
Area of Real Estate Property			34,000
Operating Lease for Office and Manufacturing Space in Coppell, Texas [Member] | Centric Solutions LLC [Member]
Area of Real Estate Property		23,000
Lessee, Operating Lease, Term of Contract		7 years
Operating Lease for Warehouse Space in Roanoke, Virginia [Member]
Area of Real Estate Property	36,000
Lessee, Operating Lease, Term of Contract	1 year
Lease Term, Extension, Term			1 year
Lease Term, Extension, Remaining Number			2

X

- Definition

The remaining number of available extensions to a lease term.

+ References

No definition available.

+ Details

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Namespace Prefix:	occ_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Represents the extension of a term lease by the additional years added.

+ References

No definition available.

+ Details

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Namespace Prefix:	occ_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Area of a real estate property.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
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Period Type:	instant

X

- Definition

Term of lessee's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 3
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918673-209980

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X

- Definition

Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=77902758&loc=d3e41499-112717

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X

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X

- Details

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- Details

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X

- Details

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