Note 13 - Earnings Per Share - Earnings Per Share for Continuing Operations (Details) - $ / shares	12 Months Ended
	Feb. 03, 2018	Jan. 28, 2017	Jan. 30, 2016
Net loss per share from continuing operations - basic (in dollars per share)	$ (3.09)	$ (0.89)	$ (0.59)
Net loss per share from continuing operations - diluted (in dollars per share)	(3.09)	(0.89)	(0.58)
Net (loss) income per share from discontinued operations - basic (in dollars per share)	(0.03)	0.40	0.59
Net (loss) income per share from discontinued operations - diluted (in dollars per share)	$ (0.03)	$ 0.40	$ 0.58