Interest rate swap contract (Details Narrative) (USD $)	3 Months Ended
Jan. 31, 2013
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Notional amount of interest rate swap	$ 19,972,000
Maturity date	Jan. 31, 2023
Interest rate paid	The contract effectively converts the LIBOR based variable rate to a fixed rate of 3.81%.
Fixed interest rate	3.81%

Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Article 12

-Section 13

-Sentence Column B

+ Details

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- Definition

When the derivative or group of derivatives presented is a swap, the type of interest rate (fixed, variable, stepped, etc.) paid on the swap.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Article 12

-Section 13

-Sentence Column A

-Footnote 1

+ Details

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- Definition

Fixed interest rate related to the interest rate derivative.

+ References

No definition available.

+ Details

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Period Type:	instant

- Details

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- Definition

Date the derivative contract matures, in CCYY-MM-DD format.

+ References

No definition available.

+ Details

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