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Quarterly Financial Data (Unaudited) (Tables) | 12 Months Ended
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Jan. 31, 2014
Quarterly Financial Information Disclosure [Abstract] |
Schedule of Quarterly Financial Data (Unaudited) |
Quarters Ended |
|  | Fiscal Year |  |  | April 30 |  |  | July 31 |  |  | October 31 |  |  | January 31 |
Net revenues: |  |  | 2014 |  |  | $ | 27,291 |  |  | $ | 20,895 |  |  | $ | 20,275 |  |  | $ | 23,647 |
|  |  | 2013 |  |  | $ | 34,630 |  |  | $ | 23,080 |  |  | $ | 18,574 |  |  | $ | 28,401 |
Gross profit: |  |  | 2014 |  |  | $ | 14,597 |  |  | $ | 4,300 |  |  | $ | 4,953 |  |  | $ | 8,165 |
|  |  | 2013 |  |  | $ | 16,887 |  |  | $ | 7,400 |  |  | $ | 4,353 |  |  | $ | 8,773 |
Income (loss) before income taxes: |  |  | 2014 |  |  | $ | 7,919 |  |  | $ | (966 | ) |  | $ | (3,106 | ) |  | $ | 2,179 |
|  |  | 2013 |  |  | $ | 11,063 |  |  | $ | 1,274 |  |  | $ | (2,178 | ) |  | $ | 3,365 |
Incomes taxes (benefit): |  |  | 2014 |  |  | $ | 1,612 |  |  | $ | (273 | ) |  | $ | (478 | ) |  | $ | 397 |
|  |  | 2013 |  |  | $ | 2,607 |  |  | $ | (5,128 | ) |  | $ | (956 | ) |  | $ | (50 | )
Net income (loss): |  |  | 2014 |  |  | $ | 6,307 |  |  | $ | (693 | ) |  | $ | (2,628 | ) |  | $ | 1,782 |
|  |  | 2013 |  |  | $ | 8,456 |  |  | $ | 6,402 |  |  | $ | (1,222 | ) |  | $ | 3,415 |
Income per common share—basic: |  |  | 2014 |  |  | $ | 0.49 |  |  | $ | (0.05 | ) |  | $ | (0.21 | ) |  | $ | 0.14 |
|  |  | 2013 |  |  | $ | 0.67 |  |  | $ | 0.50 |  |  | $ | (0.10 | ) |  | $ | 0.27 |
Income per common share—diluted: |  |  | 2014 |  |  | $ | 0.48 |  |  | $ | (0.05 | ) |  | $ | (0.21 | ) |  | $ | 0.14 |
|  |  | 2013 |  |  | $ | 0.63 |  |  | $ | 0.48 |  |  | $ | (0.10 | ) |  | $ | 0.26 |

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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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