Income Taxes - Reconciliation of Income Tax Expense at the Statutory Federal Income Tax Rate (Details) - USD ($) $ in Thousands	12 Months Ended
Feb. 03, 2018	Jan. 28, 2017	Jan. 30, 2016
Income Tax Disclosure [Abstract]
Tax at federal statutory rate	$ 3,308	$ 5,941	$ 9,134
State income taxes, net of federal benefit	559	598	844
Tax credits	(174)	(255)	(506)
Enactment of tax legislation	419	0	0
Unrecognized tax positions	(185)	(202)	0
Stock based compensation programs	575	23	22
Other	18	(176)	30
Income tax expense	$ 4,520	$ 5,929	$ 9,524

Effective Income Tax Rate Reconciliation, Share-based Compensation, Excess Tax Benefit, Amount

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Effective Income Tax Rate Reconciliation, Unrecognized Tax Positions, Amount

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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
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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 increase (decrease) in the income tax rates.

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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 state and local income tax expense (benefit).

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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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