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Acquisition - Unaudited Pro forma Information (Detail) (Miltope Ruggedized Printer Product Line Operation [Member], USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jan. 31, 2014	Jan. 31, 2013
Miltope Ruggedized Printer Product Line Operation [Member]
Business Acquisition [Line Items]
Net Revenue	$ 75,362	$ 69,453

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- Definition

The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (h)(2)-(3)

-URI http://asc.fasb.org/extlink&oid=25497992&loc=d3e1392-128463

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