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9. Intangible Assets (Details) - Finite-lived Intangible Assets Amortization Expense - USD ($)
$ in Thousands
Oct. 30, 2016
Jan. 31, 2016
Finite-lived Intangible Assets Amortization Expense [Abstract]    
Remainder of 2017 $ 334  
2018 1,334  
2019 1,334  
2020 1,334  
2021 1,334  
Thereafter 7,929  
$ 13,599 $ 0