Note 13 - Equity Incentive Plans and Employee Benefits (Details) - Restricted Stock Awards and Restricted Stock Units Activities (USD $)	12 Months Ended
Jan. 31, 2015	Feb. 01, 2014	Feb. 02, 2013	Jan. 28, 2012
Note 13 - Equity Incentive Plans and Employee Benefits (Details) - Restricted Stock Awards and Restricted Stock Units Activities [Line Items]
Weighted average grant date fair value per cancelled/forfeited award	$ 9.52	$ 12.78	$ 12.35
Restricted Stock [Member]
Note 13 - Equity Incentive Plans and Employee Benefits (Details) - Restricted Stock Awards and Restricted Stock Units Activities [Line Items]
Outstanding	44,189	88,378	163,311	231,179
Weighted average grant date fair value per outstanding award	$ 8.75	$ 8.75	$ 8.71	$ 8.82
Aggregate value - outstanding	$ 386,654	$ 773,308	$ 1,422,439	$ 2,038,473
Granted			10,980
Weighted average grant date fair value per granted award			$ 6.83
Cancelled/forfeited		(13,175)
Weighted average grant date fair value per cancelled/forfeited award		$ 9.50
Vested	(44,189)	(61,758)	(78,848)
Weighted average grant date fair value per vested award	$ 8.75	$ 8.49	$ 8.77
Restricted Stock Units (RSUs) [Member]
Note 13 - Equity Incentive Plans and Employee Benefits (Details) - Restricted Stock Awards and Restricted Stock Units Activities [Line Items]
Outstanding	1,313,915	468,507	632,262	547,500
Weighted average grant date fair value per outstanding award	$ 4.91	$ 5.78	$ 6.28	$ 6.51
Aggregate value - outstanding	$ 6,457,644	$ 2,707,970	$ 3,972,964	$ 3,566,040
Granted	1,157,127	213,886	313,003
Weighted average grant date fair value per granted award	$ 4.91	$ 4.99	$ 6.03
Cancelled/forfeited	(54,404)	(166,921)	(109,475)
Weighted average grant date fair value per cancelled/forfeited award	$ 6.09	$ 6.26	$ 6.45
Vested	(257,315)	(210,720)	(118,766)
Weighted average grant date fair value per vested award	$ 6.22	$ 6.11	$ 6.51

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Intrinsic value of equity-based compensation awards not vested. Excludes stock and unit options.

+ References

No definition available.

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(1)(iv)(3)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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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).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(2)(iii)(1)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

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).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(2)(iii)(1)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(2)(i)-(ii)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

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.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(2)(i)-(ii)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(2)(iii)(2)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

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.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(2)(iii)(2)

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- Definition

Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated.

+ References

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