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Schedule II - VALUATION AND QUALIFYING ACCOUNTS | 12 Months Ended
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Jan. 31, 2015
Valuation and Qualifying Accounts [Abstract] |
Schedule of Valuation and Qualifying Accounts Disclosure [Text Block] | Schedule II - VALUATION AND QUALIFYING ACCOUNTS FOR THE YEARS ENDED JANUARY 31, 2015, 2014 AND 2013 (Amounts in thousands)
|  |  |  |  | Additions |  |  | Deductions |  |  |  |
|  | Balance Beginning of Year |  |  | Charged to Cost and Expenses |  |  | Charges for Which Reserves Were Created |  |  | Balance End of Year |
2015: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Deferred tax valuation allowance |  | $ | 2,017 |  |  | $ | — |  |  | $ | 265 |  |  | $ | 1,752 |
2014: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Deferred tax valuation allowance |  | $ | 1,891 |  |  | $ | 126 |  |  | $ | — |  |  | $ | 2,017 |
2013: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Deferred tax valuation allowance |  | $ | 1,676 |  |  | $ | 215 |  |  | $ | — |  |  | $ | 1,891 |

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- Definition The entire disclosure for any allowance and reserve accounts (their beginning and ending balances, as well as a reconciliation by type of activity during the period). Alternatively, disclosure of the required information may be within the footnotes to the financial statements or a supplemental schedule to the financial statements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 09 -Article 12 + Details
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