Note 18 - Equity Incentive Plans and Employee Benefits (Details) - Black-Scholes Option Valuation Model Assumptions (USD $)	12 Months Ended
	Feb. 01, 2014	Feb. 02, 2013	Jan. 28, 2012
Note 18 - Equity Incentive Plans and Employee Benefits (Details) - Black-Scholes Option Valuation Model Assumptions [Line Items]
Weighted average fair value at grant date (in Dollars per share)	$ 2.36	$ 2.77	$ 5.26
Employee Stock Option [Member]
Note 18 - Equity Incentive Plans and Employee Benefits (Details) - Black-Scholes Option Valuation Model Assumptions [Line Items]
Expected volatility	46.91%	51.31%	52.01%
Risk-free interest rate	1.44%	0.92%	1.60%
Expected term (in years)	5 years 65 days	5 years 317 days	5 years 343 days
Dividend yield	0.00%	0.00%	0.00%
Weighted average fair value at grant date (in Dollars per share)	$ 2.36	$ 2.77	$ 5.27
Employee Stock Purchase Plan [Member]
Note 18 - Equity Incentive Plans and Employee Benefits (Details) - Black-Scholes Option Valuation Model Assumptions [Line Items]
Expected volatility	38.92%	37.84%	46.03%
Risk-free interest rate	0.10%	0.13%	0.08%
Expected term (in years)	6 months	178 days	178 days
Dividend yield	0.00%	0.00%	0.00%
Weighted average fair value at grant date (in Dollars per share)	$ 1.27	$ 1.47	$ 1.85