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Retirement Plans (Details Textual)	9 Months Ended
	Oct. 31, 2013
Compensation and Retirement Disclosure [Abstract]
Non qualified retirement plan benefits	50.00%
Benefit of average compensation, years	5 years
Director providing service to the Company	10 years

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- Definition

Benefit of average compensation years.

+ References

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- Definition

Director providing service to the company.

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- Definition

Non qualified retirement plan benefits

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