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Goodwill and Intangible Assets - Schedule of Future Amortization Expense (Details) - USD ($)
$ in Thousands
Jan. 31, 2016
Jan. 31, 2015
Goodwill and Intangible Assets Disclosure [Abstract]    
2016 $ 1,298  
2017 1,088  
2018 863  
2019 826  
2020 791  
Thereafter 3,289  
Net Assets $ 8,155 $ 9,500