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Note 3 - Pro Forma Results of Operations (Details) - USD ($) $ / shares in Units, $ in Thousands | 12 Months Ended
--- | ---
Jan. 31, 2018 | Jan. 31, 2017 | Jan. 31, 2016
Revenues | $ 247,093 | $ 236,972 | $ 228,665
Net income | $ 26,673 | $ 22,414 | $ 17,381
Earnings per share |  |  |
Basic (in dollars per share) | $ 0.35 | $ 0.30 | $ 0.23
Diluted (in dollars per share) | $ 0.35 | $ 0.29 | $ 0.23

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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=79982066&loc=d3e1392-128463 + Details
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