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Long-Term Debt and Notes Payable (Tables) | 12 Months Ended
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Jan. 31, 2013
Long-Term Debt and Notes Payable [Abstract] |
Long-term debt and notes payable |
|  | As of January 31, |
|  | 2013 |  |  | 2012 |
Revolving line of credit |  | $ | 4,000 |  |  | $ | 12,550 |
Equipment note |  |  | — |  |  |  | 638 |
MCL notes |  |  | — |  |  |  | 785 |
Other equipment notes |  |  | 383 |  |  |  | 210 |
|  |  | 4,383 |  |  |  | 14,183 |
Less current portion |  |  | (145 | ) |  |  | (1,399 | )
Long-term debt |  | $ | 4,238 |  |  | $ | 12,784 |

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- Definition Tabular disclosure of the combined aggregate amount of maturities and sinking fund requirements for all long-term borrowings for each of the five years following the date of the latest balance sheet date presented. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 + Details
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