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Intangible Assets (Schedule of Expected Amortization Expense) (Details)
$ in Thousands
Jan. 31, 2016
USD ($)
Intangible Assets [Abstract]  
Nine months ending October 31, 2016 $ 268
2017 326
2018 304
2019 246
2020 214
2021 159
Thereafter 247
Future amortization expense $ 1,764