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Litigation (Details Textual) (Labor Proceeding in Brazil [Member])	9 Months Ended
	Oct. 31, 2014 USD ($)	Oct. 31, 2014 BRL
Loss Contingencies [Line Items]
Loss Contingency, Damages Sought, Value	$ 1,086,000
Loss Contingency, Range of Possible Loss, Maximum	45,000	100,000
Loss Contingency, Estimate of Possible Loss	$ 380,000

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The value (monetary amount) of the award the plaintiff seeks in the legal matter.

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Reflects the estimated amount of loss from the specified contingency as of the balance sheet date.

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The estimated maximum amount of possible loss from the contingency.

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