Note 14 - Income Taxes (Details) - Reconciliation of Income Tax Benefit (USD $) In Thousands, unless otherwise specified	12 Months Ended
Jan. 31, 2015	Feb. 01, 2014	Feb. 02, 2013
Reconciliation of Income Tax Benefit [Abstract]
Computed at federal statutory rate of 35%	$ (5,848)	$ (2,835)	$ (28,357)
State taxes provision, net of federal benefit	47	12	10
Uncertain tax positions	(347)	253	219
Difference between statutory rate and foreign effective tax rate	12,252	5,316	31,469
Stock-based compensation expense	819	2,769	2,391
Change in federal valuation allowance	(835)	(1,933)	16,704
Tax credits	(1,563)	(561)	(1,516)
Other	468	(71)	(128)
Total	$ 4,993us-gaap_IncomeTaxExpenseBenefit	$ 2,950us-gaap_IncomeTaxExpenseBenefit	$ 20,747us-gaap_IncomeTaxExpenseBenefit

No authoritative reference available.

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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