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UNAUDITED QUARTERLY RESULTS OF OPERATIONS (Tables) | 12 Months Ended
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Jan. 31, 2018
Quarterly Financial Information Disclosure [Abstract] |
Schedule of Quarterly Financial Information [Table Text Block] |
|  | 01/31/18 |  | 10/31/2017 |  | 7/31/2017 |  | 4/30/2017 |  | Total |
Net sales from continuing operations |  | $ | 25,157 |  | $ | 23,960 |  | $ | 23,909 |  | $ | 22,961 |  | $ | 95,987 |
Gross profit from continuing operations |  | $ | 9,902 |  | $ | 9,053 |  | $ | 8,690 |  | $ | 8,558 |  | $ | 36,203 |
Operating profit from continuing operations |  | $ | 1,157 |  | $ | 2,665 |  | $ | 2,182 |  | $ | 2,473 |  | $ | 8,477 |
Net income (loss) from continuing operations |  | $ | (4,919) |  | $ | 1,806 |  | $ | 1,842 |  | $ | 1,711 |  | $ | 440 |
Basic net earnings (loss) per share – continuing operations |  | $ | (0.64) |  | $ | 0.23 |  | $ | 0.25 |  | $ | 0.24 |  | $ | 0.06 |
Diluted net earnings (loss) per share – continuing operations |  | $ | (0.64) |  | $ | 0.23 |  | $ | 0.25 |  | $ | 0.23 |  | $ | 0.06 |
|  | 1/31/2017 |  | 10/31/2016 |  | 7/31/2016 |  | 4/30/2016 |  |  |  |
Net sales from continuing operations |  | $ | 20,302 |  | $ | 23,243 |  | $ | 22,269 |  | $ | 20,369 |  | $ | 86,183 |
Gross profit from continuing operations |  | $ | 7,752 |  | $ | 8,519 |  | $ | 8,590 |  | $ | 6,776 |  | $ | 31,637 |
Operating profit (loss) from continuing operations |  | $ | 1,799 |  | $ | 2,248 |  | $ | 2,631 |  | $ | 169 |  | $ | 6,847 |
Net income from continuing operations |  | $ | 946 |  | $ | 1,513 |  | $ | 1,431 |  | $ | 3 |  | $ | 3,893 |
Basic net earnings per share – continuing operations |  | $ | 0.13 |  | $ | 0.21 |  | $ | 0.20 |  | $ | 0.00 |  | $ | 0.54 |
Diluted net earnings per share – continuing operations |  | $ | 0.13 |  | $ | 0.21 |  | $ | 0.20 |  | $ | 0.00 |  | $ | 0.53 |
|  | 1/31/2016 |  | 10/31/2015 |  | 7/31/2015 |  | 4/30/2015 |  |  |  |
Net sales from continuing operations |  | $ | 20,474 |  | $ | 24,888 |  | $ | 29,465 |  | $ | 24,819 |  | $ | 99,646 |
Gross profit from continuing operations |  | $ | 6,011 |  | $ | 9,248 |  | $ | 11,795 |  | $ | 9,279 |  | $ | 36,333 |
Operating profit (loss) from continuing operations |  | $ | (300) |  | $ | 3,192 |  | $ | 5,700 |  | $ | 3,220 |  | $ | 11,812 |
Net income (loss) from continuing operations |  | $ | (78) |  | $ | 2,120 |  | $ | 3,588 |  | $ | 2,160 |  | $ | 7,790 |
Basic net earnings (loss) per share – continuing operations |  | $ | (0.01) |  | $ | 0.29 |  | $ | 0.50 |  | $ | 0.31 |  | $ | 1.09 |
Diluted net earnings (loss) per share – continuing operations |  | $ | (0.01) |  | $ | 0.29 |  | $ | 0.50 |  | $ | 0.30 |  | $ | 1.07 |

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- Definition Tabular disclosure of quarterly financial data. Includes, but is not limited to, financial information for fiscal quarters, cumulative effect of a change in accounting principle and earnings per share data. + References Reference 1: 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=84173487&loc=d3e1280-108306 + Details
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