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UNAUDITED QUARTERLY RESULTS OF OPERATIONS (Details) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Jan. 31, 2018 | Oct. 31, 2017 | Jul. 31, 2017 | Apr. 30, 2017 | Jan. 31, 2017 | Oct. 31, 2016 | Jul. 31, 2016 | Apr. 30, 2016 | Jan. 31, 2016 | Oct. 31, 2015 | Jul. 31, 2015 | Apr. 30, 2015 | Jan. 31, 2018 | Jan. 31, 2017 | Jan. 31, 2016
Quarterly Financial Data [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales from continuing operations | $ 25,157 | $ 23,960 | $ 23,909 | $ 22,961 | $ 20,302 | $ 23,243 | $ 22,269 | $ 20,369 | $ 20,474 | $ 24,888 | $ 29,465 | $ 24,819 | $ 95,987 | $ 86,183 | $ 99,646
Gross profit from continuing operations | 9,902 | 9,053 | 8,690 | 8,558 | 7,752 | 8,519 | 8,590 | 6,776 | 6,011 | 9,248 | 11,795 | 9,279 | 36,203 | 31,637 | 36,333
Operating profit (loss) from continuing operations | 1,157 | 2,665 | 2,182 | 2,473 | 1,799 | 2,248 | 2,631 | 169 | (300) | 3,192 | 5,700 | 3,220 | 8,477 | 6,847 | 11,812
Net income (loss) from continuing operations | $ (4,919) | $ 1,806 | $ 1,842 | $ 1,711 | $ 946 | $ 1,513 | $ 1,431 | $ 3 | $ (78) | $ 2,120 | $ 3,588 | $ 2,160 | $ 440 | $ 3,893 | $ 7,790
Basic earnings per share from continuing operations (in dollars per share) | $ (0.64) | $ 0.23 | $ 0.25 | $ 0.24 | $ 0.13 | $ 0.21 | $ 0.2 | $ 0 | $ (0.01) | $ 0.29 | $ 0.5 | $ 0.31 | $ 0.06 | $ 0.54 | $ 1.09
Income from continuing operations | $ (0.64) | $ 0.23 | $ 0.25 | $ 0.23 | $ 0.13 | $ 0.21 | $ 0.2 | $ 0 | $ (0.01) | $ 0.29 | $ 0.5 | $ 0.3 | $ 0.06 | $ 0.53 | $ 1.07

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