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The amount of inventory recognized as of the acquisition date.

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Amount of liabilities assumed at the acquisition date.

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Acquisition - Purchase Price of Acquisition Allocated on Basis of Estimated Fair Value (Detail) (USD $) In Thousands, unless otherwise specified	Jan. 31, 2015	Jan. 31, 2014	Jan. 22, 2014
Business Acquisition [Line Items]
Goodwill	$ 991us-gaap_Goodwill	$ 991us-gaap_Goodwill
Miltope's Ruggedized Printer Product Line Operation [Member]
Business Acquisition [Line Items]
Accounts Receivable			713
Inventories			2,503
Identifiable Intangible Assets	3,400		3,400
Goodwill			196
Warranty Reserve			(80)
Total Purchase Price			$ 6,732