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Note 5 - Stock-based Compensation - Activity for Time-based and Performance-based Restricted Stock (Details) - $ / shares		1 Months Ended	4 Months Ended
		Feb. 03, 2018	May 05, 2018
Restricted Stock [Member]
Outstanding (in shares)		361,539	361,539
Outstanding (in dollars per share)		$ 10.97	$ 10.97
Granted (1) (in shares)		3,479	148,319	[1]
Granted (1) (in dollars per share)		$ 9.25	$ 8.61	[1]
Vested (1) (in shares)		(129)	(132,076)	[1]
Vested (1) (in dollars per share)		$ 11.65	$ 12.25	[1]
Forfeited (1) (in shares)		(7,477)	(7,693)	[1]
Forfeited (1) (in dollars per share)		$ 10.70	$ 10.72	[1]
Canceled or expired (in shares)
Canceled or expired (in dollars per share)
Outstanding (in shares)			370,089
Outstanding (in dollars per share)			$ 9.58
Performance Shares [Member]
Outstanding (in shares)		289,615	289,615
Outstanding (in dollars per share)		$ 13.66	$ 13.66
Granted (1) (in shares)	[1]		83.256
Granted (1) (in dollars per share)	[1]		$ 8.60
Vested (1) (in shares)	[1]		(6,323)
Vested (1) (in dollars per share)	[1]		$ 20.58
Forfeited (1) (in shares)	[1]		(1,280)
Forfeited (1) (in dollars per share)	[1]		$ 13.69
Canceled or expired (in shares)			(50,000)
Canceled or expired (in dollars per share)			$ 20.80
Outstanding (in shares)		289,615	315,268
Outstanding (in dollars per share)			$ 11.05
[1] Restricted stock for the five weeks ended February 3, 2018 included the following activity: granted 3,479 shares with a weighted average grant date fair value of $9.25, vested 129 shares with a weighted average grant date fair value of $11.65 and forfeited 7,477 shares with a weighted average grant date fair value of $10.70. No performance shares activity occurred for the five weeks ended February 3, 2018.

X

- Definition

Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that expired during the period.

+ References

No definition available.

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The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(iv)(3)
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Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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The weighted average fair value of nonvested awards on equity-based plans excluding option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, revenue or profit achievement stock award plan) for which the employer is contingently obligated to issue equity instruments or transfer assets to an employee who has not yet satisfied service or performance criteria necessary to gain title to proceeds from the sale of the award or underlying shares or units.

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The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.

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Number of shares under non-option equity instrument agreements for which rights to exercise lapsed.

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