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Long-Term Debt And Note Payable To Bank - (Narrative) (Details) (USD $)						0 Months Ended		1 Months Ended		0 Months Ended
	Jul. 31, 2013 Commercial Loan [Member]	Oct. 31, 2012 Commercial Loan [Member]	Jul. 31, 2013 Virginia Real Estate Loan [Member]	Aug. 30, 2013 Subsequent Event [Member]	Aug. 29, 2013 Subsequent Event [Member]	Aug. 30, 2013 Subsequent Event [Member] Commercial Loan [Member]	Aug. 29, 2013 Subsequent Event [Member] Commercial Loan [Member]	Sep. 12, 2013 Subsequent Event [Member] Commercial Loan [Member] Minimum [Member]	Aug. 30, 2013 Subsequent Event [Member] Commercial Loan [Member] Minimum [Member]	Aug. 30, 2013 Subsequent Event [Member] Certain Receivables [Member]	Aug. 30, 2013 Subsequent Event [Member] Certain Foreign Receivables [Member]	Aug. 30, 2013 Subsequent Event [Member] Certain Raw Materials of Inventory [Member]
Line of Credit Facility [Line Items]
Debt instrument, interest rate, stated percentage			4.25%				3.00%
Maximum borrowing capacity				$ 9,000,000.0	$ 6,000,000.0
Line of credit facility, maximum amount outstanding during period						9,000,000					1,000,000
Line of credit facility, maximum borrowing capacity, percentage of related category used for calculation										85.00%	35.00%	25.00%
Effective interest rate								2.40%
Line of credit facility, maximum borrowing capacity, maximum aging of receivables										90 days
Debt instrument, description of variable rate basis						LIBOR	LIBOR
Debt instrument, basis spread on variable rate						2.20%	2.00%		2.20%
Line of credit facility, amount outstanding	3,800,000	1,000,000
Line of credit facility, remaining borrowing capacity	$ 2,200,000	$ 5,000,000

X

- Definition

Line of Credit Facility, Maximum Borrowing Capacity, Maximum Aging Of Receivables

+ References

No definition available.

+ Details

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Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Line of Credit Facility, Maximum Borrowing Capacity, Percentage of Related Category Used for Calculation

+ References

No definition available.

+ Details

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Namespace Prefix:	occ_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

The effective interest rate on the liability component of convertible debt instrument which may be settled in cash upon conversion, including partial cash settlement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 470

-SubTopic 20

-Section 50

-Paragraph 6

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=6928298&loc=SL6036836-161870



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name FASB Staff Position (FSP)

-Number APB14-1

-Paragraph 33

-Subparagraph a

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

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Balance Type:	na
Period Type:	duration

X

- Definition

The reference rate for the variable rate of the debt instrument, such as LIBOR or the US Treasury rate and the maturity of the reference rate used, such as three months or six months LIBOR.

+ References

No definition available.

+ Details

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Balance Type:	na
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X

- Definition

Interest rate stated in the contractual debt agreement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22(a)(1))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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Balance Type:	na
Period Type:	instant

X

- Definition

Amount borrowed under the credit facility as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

-Article 5

+ Details

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Namespace Prefix:	us-gaap_
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Balance Type:	credit
Period Type:	instant

X

- Details

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Maximum amount borrowed under the credit facility at any time during the period.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 129

-Paragraph 2, 4

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.19(b),22(b))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682



Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

-Article 5

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.19(b),22(b))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

-Article 5

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