Stock Based Compensation (Details) shares in Millions, $ in Millions	3 Months Ended
May 04, 2019 USD ($) shares
Stock Based Compensation (Details) [Line Items]
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount (in Dollars) \| $	$ 0.4
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized	5.0
Share Based Compensation Arrangement By Share Based Payment Award Options And Other Than Options Outstanding Number	2.8
Share Based Compensation Arrangement By Share Based Payment Award Options And Other Than Options Vested And Expected To Vest Exercisable Number	2.0
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant	4.4
Share-based Payment Arrangement, Option [Member]
Stock Based Compensation (Details) [Line Items]
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount (in Dollars) \| $	$ 0.5
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition	1 year 73 days
Restricted Stock [Member]
Stock Based Compensation (Details) [Line Items]
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount (in Dollars) \| $	$ 0.1
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition	3 years 146 days

Share based compensation arrangement by share based payment award options and other than options outstanding number.

No definition available.

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Period Type:	instant

- Definition

Share based compensation arrangement by share based payment award options and other than options vested and expected to vest exercisable number.

+ References

No definition available.

+ Details

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- References

No definition available.

+ Details

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- Definition

Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (i)
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

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- Definition

Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

+ Details

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- Definition

Number of shares authorized for issuance under share-based payment arrangement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

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- Definition

The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

+ Details

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