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Discontinued Operations (Details) - Schedule of Disposal Groups Including Discontinued Operations (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Apr. 30, 2014
Schedule of Disposal Groups Including Discontinued Operations [Abstract]
Net sales and revenue	$ 12us-gaap_DisposalGroupIncludingDiscontinuedOperationRevenue
Cost of sales	12us-gaap_DisposalGroupIncludingDiscontinuedOperationCostsOfGoodsSold
Income before income taxes	5us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax
Provision for income taxes	(2)us-gaap_DiscontinuedOperationTaxExpenseBenefitFromProvisionForGainLossOnDisposal
Income from discontinued operations, net of tax	$ 3us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax

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Amount before tax of income (loss) from a discontinued operation. Includes, but is not limited to, the income (loss) from operations during the phase-out period, gain (loss) on disposal, gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and adjustments to a prior period gain (loss) on disposal.

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Amount of tax (expense) benefit on (gain) loss recognized for the (reversal of write-down) write-down to fair value, less cost to sell, of a discontinued operation.

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Amount of revenue attributable to disposal group, including, but not limited to, discontinued operation.

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Amount after tax of income (loss) from a discontinued operation including the portion attributable to the noncontrolling interest. Includes, but is not limited to, the income (loss) from operations during the phase-out period, gain (loss) on disposal, gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and adjustments to a prior period gain (loss) on disposal.

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