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Note 3 - Acquisitions (Details) - Preliminary Purchase Price Allocation for Businesses Acquired (Parentheticals) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2016	Jan. 31, 2015	Jan. 31, 2014
MK Data [Member]
Business Acquisition [Line Items]
Cash acquired	$ 345
BearWare [Member]
Business Acquisition [Line Items]
Cash acquired	243
Oz [Member]
Business Acquisition [Line Items]
Cash acquired	$ 870
Computer Management [Member]
Business Acquisition [Line Items]
Cash acquired		$ 112
Customs Info [Member]
Business Acquisition [Line Items]
Cash acquired
Airclic [Member]
Business Acquisition [Line Items]
Cash acquired		$ 117
e-customs [Member]
Business Acquisition [Line Items]
Cash acquired		1,983
Pentant [Member]
Business Acquisition [Line Items]
Cash acquired		$ 21
KSD [Member]
Business Acquisition [Line Items]
Cash acquired			$ 200
Compudata [Member]
Business Acquisition [Line Items]
Cash acquired			166
Impatex [Member]
Business Acquisition [Line Items]
Cash acquired			$ 199

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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X

- Definition

The cash inflow associated with the acquisition of business during the period (for example, cash that was held by the acquired business).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Investing Activities
-URI http://asc.fasb.org/extlink&oid=6516133

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 12
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3179-108585

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- Details

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- Details

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- Details

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- Details

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