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NOTE 17 - CONSOLIDATED QUARTERLY DATA (Unaudited) | 12 Months Ended
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Jan. 31, 2016
Quarterly Financial Information Disclosure [Abstract] |
Quarterly Financial Information [Text Block] | NOTE 17 – CONSOLIDATED QUARTERLY DATA (Unaudited- see accompanying accountant’s report.)
|  | Fiscal Quarter |
|  | First |  |  | Second |  |  | Third |  |  | Fourth |
2016 |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  | $ | 60,956 |  |  | $ | 60,140 |  |  | $ | 65,338 |  |  | $ | 60,565 |
Cost of sales |  |  | 44,581 |  |  |  | 44,047 |  |  |  | 47,173 |  |  |  | 42,510 |
Gross profit |  |  | 16,375 |  |  |  | 16,093 |  |  |  | 18,165 |  |  |  | 18,055 |
Selling and administrative expenses |  |  | 11,133 |  |  |  | 10,234 |  |  |  | 11,525 |  |  |  | 11,534 |
Net income |  |  | 3,472 |  |  |  | 3,938 |  |  |  | 4,630 |  |  |  | 4,145 |
Basic earnings per share |  | $ | 0.32 |  |  | $ | 0.36 |  |  | $ | 0.43 |  |  | $ | 0.38 |
Diluted earnings per share |  | $ | 0.32 |  |  | $ | 0.36 |  |  | $ | 0.43 |  |  | $ | 0.38 |
2015 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  | $ | 61,396 |  |  | $ | 54,883 |  |  | $ | 63,168 |  |  | $ | 64,903 |
Cost of sales |  |  | 45,786 |  |  |  | 41,226 |  |  |  | 47,137 |  |  |  | 47,401 |
Gross profit |  |  | 15,610 |  |  |  | 13,657 |  |  |  | 16,031 |  |  |  | 17,502 |
Selling and administrative expenses |  |  | 11,367 |  |  |  | 10,243 |  |  |  | 11,148 |  |  |  | 10,994 |
Net income |  |  | 2,804 |  |  |  | 2,272 |  |  |  | 3,204 |  |  |  | 4,298 |
Basic earnings per share |  | $ | 0.26 |  |  | $ | 0.21 |  |  | $ | 0.30 |  |  | $ | 0.40 |
Diluted earnings per share |  | $ | 0.26 |  |  | $ | 0.21 |  |  | $ | 0.30 |  |  | $ | 0.40 |
Earnings per share for each fiscal quarter is derived using the weighted average number of shares outstanding during that quarter. Earnings per share for each fiscal year is derived using the weighted average number of shares outstanding on an annual basis. Consequently, the sum of earnings per share for the quarters of a fiscal year may not equal earnings per share for the full fiscal year.

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- Definition The entire disclosure for the quarterly financial data in the annual financial statements. The disclosure may include a tabular presentation of financial information for each fiscal quarter for the current and previous year, including revenues, gross profit, income or loss before extraordinary items and earnings per share data. It also includes an indication if the information in the note is unaudited, comments on the aggregate effect of year-end adjustments, and an explanation of matters or transactions that affect comparability or are pertinent to an understanding of the information furnished. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 45 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=51655806&loc=d3e765-108305 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a)-(j) -URI http://asc.fasb.org/extlink&oid=51825399&loc=d3e1280-108306 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=51655806&loc=d3e725-108305 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 6 -Section G -Subsection 1 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K (SK) -Number 229 -Section 302 -Paragraph a + Details
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