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Income Taxes (Components of Income Tax Expense) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Jan. 31, 2018 | Jan. 31, 2017 | Jan. 31, 2016
Current |  |  |
Federal | $ (296) | $ 24 | $ 1
State | 98 | 65 | 40
Current income tax benefit (expense) | (198) | 89 | 41
Deferred |  |  |
Federal | 5,270 | 1,519 | 1,567
State | 141 | 190 | 724
Total deferred income taxes | 5,411 | 1,709 | 2,291
Change in Valuation Allowance | 410 | (19,831) | (2,214)
Deferred income taxes | 5,821 | (18,122) | 77
Income tax expense (benefit) | $ 5,623 | $ (18,033) | $ 118

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