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Income Taxes (Components of Income Tax Expense) (Details)
$ in Thousands
 12 Months Ended
Jan. 31, 2016
USD ($)
Current:  
Federal $ 1,114
State 194
Total current income tax expense 1,308
Deferred:  
Federal 100
State (69)
Total deferred income tax expense 31
Total income tax expense $ 1,339