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Income Taxes - Reconciliation of Income Tax Expense at the Statutory Federal Income Tax Rate (Detail) - USD ($) $ in Thousands	12 Months Ended
	Jan. 30, 2016	Jan. 31, 2015	Feb. 01, 2014
Income Tax Disclosure [Abstract]
Tax at federal statutory rate	$ 9,134	$ 10,087	$ 8,385
State income taxes (net of federal benefit)	844	1,106	920
Tax credits	(506)	(207)	(192)
Other	52	20	316
Income tax expense	$ 9,524	$ 11,006	$ 9,429

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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-Publisher FASB
-Name Accounting Standards Codification
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The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from continuing operations.

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to tax credits. Including, but not limited to, research credit, foreign tax credit, investment tax credit, and other tax credits.

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