Note 14 - Risk Management and Derivatives - Net Notional Amount of All Purchase and Sale Contracts of a Foreign Currency (Details) - USD ($) $ in Thousands	May 02, 2020	Feb. 01, 2020	May 04, 2019
Foreign Exchange Forward, US Dollars [Member]
Notional Amount	$ 0	$ 3,963	$ 13,230
Foreign Exchange Forward, Euro [Member]
Notional Amount	0	1,251	12,134
Foreign Exchange Forward, Chinese Yuan [Member]
Notional Amount	0	2,355	2,858
Foreign Exchange Forward, New Taiwanese Dollars [Member]
Notional Amount	0	0	469
Foreign Exchange Forward, Other Currencies [Member]
Notional Amount	0	69	376
Foreign Exchange Forward [Member]
Notional Amount	$ 0	$ 7,638	$ 29,067