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Quarterly Financial Information (Tables) | 12 Months Ended
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Jan. 31, 2015
Quarterly Financial Information Disclosure [Abstract] |
Summary of Quarterly Financial Results | Summarized quarterly financial results for fiscal 2014 and fiscal 2013 (in thousands, except per share data):
|  | First Quarter |  |  | Second Quarter |  |  | Third Quarter |  |  | Fourth Quarter |
Fiscal 2014: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  | $ | 53,452 |  |  | $ | 89,326 |  |  | $ | 102,947 |  |  | $ | 94,671 |
Gross profit |  |  | 26,411 |  |  |  | 44,014 |  |  |  | 50,648 |  |  |  | 45,756 |
Net income from continuing operations |  |  | 1,384 |  |  |  | 10,501 |  |  |  | 13,311 |  |  |  | 10,527 |
Net loss from discontinued operations, net of tax |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Net income |  |  | 1,384 |  |  |  | 10,501 |  |  |  | 13,311 |  |  |  | 10,527 |
Basic earnings per share (1): |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic earnings per share from continuing operations |  | $ | 0.04 |  |  | $ | 0.29 |  |  | $ | 0.36 |  |  | $ | 0.29 |
Basic loss per share from discontinued operations |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |
Diluted earnings per share (1): |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Diluted earnings per share from continuing operations |  | $ | 0.04 |  |  | $ | 0.27 |  |  | $ | 0.35 |  |  | $ | 0.28 |
Diluted loss per share from discontinued operations |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |
Fiscal 2013: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  | $ | 40,363 |  |  | $ | 74,294 |  |  | $ | 85,755 |  |  | $ | 87,758 |
Gross profit |  |  | 17,513 |  |  |  | 33,638 |  |  |  | 41,723 |  |  |  | 40,142 |
Net (loss) income from continuing operations |  |  | (9,779 | ) |  |  | 8,395 |  |  |  | 16,468 |  |  |  | 8,311 |
Net loss from discontinued operations, net of tax |  |  | (5,330 | ) |  |  | (18,929 | ) |  |  | (18,827 | ) |  |  | (7,729 | )
Net (loss) income |  |  | (15,109 | ) |  |  | (10,534 | ) |  |  | (2,359 | ) |  |  | 582 |
Basic earnings (loss) per share (1): |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic (loss) earnings per share from continuing operations |  | $ | (0.37 | ) |  | $ | 0.32 |  |  | $ | 0.63 |  |  | $ | 0.24 |
Basic loss per share from discontinued operations |  | $ | (0.21 | ) |  | $ | (0.72 | ) |  | $ | (0.72 | ) |  | $ | (0.22 | )
Diluted earnings (loss) per share (1): |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Diluted (loss) earnings per share from continuing operations |  | $ | (0.37 | ) |  | $ | 0.32 |  |  | $ | 0.62 |  |  | $ | 0.24 |
Diluted loss per share from discontinued operations |  | $ | (0.21 | ) |  | $ | (0.72 | ) |  | $ | (0.71 | ) |  | $ | (0.22 | )
(1) | The sum of the quarterly earnings per share may not equal the full-year amount as the computation of weighted-average number of shares outstanding for each quarter and the full-year are performed independently.

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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=35737889&loc=d3e1280-108306 + Details
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