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Note 3 - Pro Forma Results of Operations (Details) - USD ($) $ / shares in Units, $ in Thousands | 12 Months Ended
--- | ---
Jan. 31, 2017 | Jan. 31, 2016 | Jan. 31, 2015
Revenues | $ 221,128 | $ 219,029 | $ 226,619
Net income | $ 23,604 | $ 21,132 | $ 12,980
Earnings per share |  |  |
Basic (in dollars per share) | $ 0.31 | $ 0.28 | $ 0.18
Diluted (in dollars per share) | $ 0.31 | $ 0.28 | $ 0.18

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- Definition The pro forma basic net income per share for a period as if the business combination or combinations had been completed at the beginning of a 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=65885119&loc=d3e1392-128463 + Details
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