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Intangible Assets - Summary of Estimated Amortization Expense (Detail) (USD $)
In Thousands, unless otherwise specified
May 02, 2015
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]  
Remainder of 2016 $ 268us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear
2017 349us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo
2018 331us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree
2019 278us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour
2020 $ 278us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive