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Note 15 - Earnings Per Share (Tables)

12 Months Ended

Jan. 31, 2016

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

Year Ended		January 31, 2016				January 31, 2015				January 31, 2014
Net income for purposes of calculating basic and diluted earnings per share			20,562				15,059				9,612
Weighted average shares outstanding			75,595				70,559				62,841
Dilutive effect of employee stock options			452				665				1,258
Dilutive effect of restricted and performance share units			362				360				271
Weighted average common and common equivalent shares outstanding			76,409				71,584				64,370
Earnings per share
Basic			0.27				0.21				0.15
Diluted			0.27				0.21				0.15

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- References

No definition available.

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- Definition

Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257

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