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CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) shares in Thousands, $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jul. 31, 2018 | Jul. 31, 2017 | Jul. 31, 2018 | Jul. 31, 2017
Income Statement [Abstract] |  |  |  |
Net sales | $ 32,325 | $ 26,852 | $ 61,214 | $ 50,353
Cost of sales | 26,432 | 23,794 | 51,096 | 45,510
Gross profit | 5,893 | 3,058 | 10,118 | 4,843
Operating expenses |  |  |  |
General and administrative expenses | 3,924 | 3,856 | 7,906 | 8,142
Selling expenses | 1,321 | 1,307 | 2,463 | 2,623
Total operating expenses | 5,245 | 5,163 | 10,369 | 10,765
Income/(loss) from operations | 648 | (2,105) | (251) | (5,922)
Interest expense, net | 284 | 157 | 550 | 314
Income/(loss) from continuing operations before income taxes | 364 | (2,262) | (801) | (6,236)
Income tax expense/(benefit) | 639 | (564) | 591 | (1,049)
Net loss | $ (275) | $ (1,698) | $ (1,392) | $ (5,187)
Weighted average common shares outstanding |  |  |  |
Basic and diluted | 7,820 | 7,679 | 7,769 | 7,645
Loss per share |  |  |  |
Basic and diluted | $ (0.04) | $ (0.22) | $ (0.18) | $ (0.68)

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