Annual report pursuant to Section 13 and 15(d)

Income Taxes - Additional Information (Detail)

v2.4.1.9
Income Taxes - Additional Information (Detail) (USD $)
In Thousands, unless otherwise specified
Jan. 31, 2015
Feb. 01, 2014
Income Tax Disclosure [Abstract]    
Credit carryforwards for state income tax $ 338us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal  
Reserve for uncertain tax positions $ 1,414us-gaap_LiabilityForUncertainTaxPositionsCurrent $ 795us-gaap_LiabilityForUncertainTaxPositionsCurrent