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

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-Publisher FASB
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-Topic 718
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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.

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-SubTopic 10
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Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash.

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Shareholders' Equity - Restricted Stock Units (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Nov. 02, 2019	Nov. 03, 2018	Nov. 02, 2019	Nov. 03, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense			$ 1,683	$ 2,180
Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	$ 229	$ 507	715	1,323
Unrecognized compensation cost related to non-vested awards	$ 1,034		$ 1,034
Period for recognition of unrecognized compensation cost			1 year 8 months 18 days
Restricted stock vested in period, total fair value			$ 383	$ 1,189
Restricted Stock Units - Time Based [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award Vesting Period			3 years
Non-employee Director [Member] \| Restricted Stock Units - Time Based [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award Vesting Period			12 months