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Goodwill and Intangible Assets - Schedule of Future Amortization Expense (Details) - USD ($)
$ in Thousands
Jan. 31, 2017
Jan. 31, 2016
Goodwill and Intangible Assets Disclosure [Abstract]    
2017 $ 1,161  
2018 937  
2019 885  
2020 823  
2021 786  
Thereafter 2,405  
Net Assets $ 6,997 $ 8,155