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Schedule II - VALUATION AND QUALIFYING ACCOUNTS | 12 Months Ended
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Jan. 31, 2018
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, 2018, 2017 AND 2016 (Amounts in thousands)
|  |  |  |  | Additions |  |  | Deductions |  |  |  |
|  | Balance |  |  | Charged to |  |  | Charges for |  |  | Balance |
|  | Beginning |  |  | Cost and |  |  | Which Reserves |  |  | End |
|  | of Year |  |  | Expenses |  |  | Were Created |  |  | of Year |
2018: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Deferred tax valuation allowance |  | $ | 417 |  |  | $ | — |  |  | $ | 176 |  |  | $ | 241 |
2017: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Deferred tax valuation allowance |  | $ | 1,151 |  |  | $ | — |  |  | $ | 734 |  |  | $ | 417 |
2016: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Deferred tax valuation allowance |  | $ | 1,752 |  |  | $ | — |  |  | $ | 601 |  |  | $ | 1,151 |

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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 -URI http://asc.fasb.org/topic&trid=2122369 + Details
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- References No definition available. + Details
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