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Note 12 - Net Loss Per Share (Details) - Basic and Diluted Net Loss Per Share (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended								12 Months Ended
	Jan. 31, 2015	Nov. 01, 2014	Aug. 02, 2014	May 03, 2014	Feb. 01, 2014	Nov. 02, 2013	Aug. 03, 2013	May 04, 2013	Jan. 31, 2015	Feb. 01, 2014	Feb. 02, 2013
Numerator:
Net loss, as reported	$ (3,610)us-gaap_NetIncomeLoss	$ (557)us-gaap_NetIncomeLoss	$ (7,620)us-gaap_NetIncomeLoss	$ (9,914)us-gaap_NetIncomeLoss	$ 1,253us-gaap_NetIncomeLoss	$ (2,978)us-gaap_NetIncomeLoss	$ (4,791)us-gaap_NetIncomeLoss	$ (4,533)us-gaap_NetIncomeLoss	$ (21,701)us-gaap_NetIncomeLoss	$ (11,049)us-gaap_NetIncomeLoss	$ (101,768)us-gaap_NetIncomeLoss
Denominator:
Weighted-average common shares outstanding- basic									34,693	34,206	33,205
Weighted-average common shares outstanding- diluted									34,693	34,206	33,205
Basic net loss per share									$ (0.63)us-gaap_EarningsPerShareBasic	$ (0.32)us-gaap_EarningsPerShareBasic	$ (3.06)us-gaap_EarningsPerShareBasic
Diluted net loss per share									$ (0.63)us-gaap_EarningsPerShareDiluted	$ (0.32)us-gaap_EarningsPerShareDiluted	$ (3.06)us-gaap_EarningsPerShareDiluted

The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

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- Definition

The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

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- Definition

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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