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Quarterly Results (Unaudited) (Tables) | 12 Months Ended
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Jan. 31, 2015
Quarterly Financial Information Disclosure [Abstract] |
Schedule of quarterly results | The Company’s quarterly results for the years ended January 31, 2015 and 2014, as adjusted, are summarized as follows (in thousands, except per share data):
| Q1 |  | Q2 |  | Q3 |  | Q4
Year ended January 31, 2015 |  |  |  |  |  |  |
Net sales* | $ | 23,383 |  |  | $ | 53,042 |  |  | $ | 62,273 |  |  | $ | 25,354 |
Gross profit* | 8,030 |  |  | 20,696 |  |  | 20,672 |  |  | 6,000 |
Net (loss) income | (3,855 | ) |  | 5,203 |  |  | 4,632 |  |  | (5,131 | )
Per common share |  |  |  |  |  |  |
Net (loss) income** |  |  |  |  |  |  |
Basic | $ | (0.26 | ) |  | $ | 0.35 |  |  | $ | 0.31 |  |  | $ | (0.35 | )
Assuming dilution | (0.26 | ) |  | 0.35 |  |  | 0.31 |  |  | (0.35 | )
Year ended January 31, 2014 |  |  |  |  |  |  |
Net sales* | $ | 19,713 |  |  | $ | 56,794 |  |  | $ | 59,055 |  |  | $ | 19,480 |
Gross profit* | 6,232 |  |  | 21,447 |  |  | 20,762 |  |  | 4,113 |
Net (loss) income | (4,447 | ) |  | 6,210 |  |  | 3,408 |  |  | (6,901 | )
Per common share |  |  |  |  |  |  |
Net (loss) income** |  |  |  |  |  |  |
Basic | $ | (0.31 | ) |  | $ | 0.43 |  |  | $ | 0.23 |  |  | $ | (0.47 | )
Assuming dilution | (0.31 | ) |  | 0.42 |  |  | 0.23 |  |  | (0.47 | )
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* | The Company revised the presentation of previously reported amounts to be consistent with the presentation for the year ended January 31, 2015. The changes resulted in decreases to net sales, gross margin and selling, general, and administrative expenses for the quarters ended January 31, 2015 and 2014, respectively.
** Net loss per share was calculated based on basic shares outstanding due to the anti-dilutive effect on the inclusion of common stock equivalent shares.

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- Definition Tabular disclosure of the quarterly financial data in the annual financial statements. The disclosure includes financial information for each fiscal quarter for the current and previous year, including revenues, gross profit, income (loss) before extraordinary items and 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=25249566&loc=d3e1280-108306 + Details
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