Note 14 - Risk Management and Derivatives - Net Notional Amount of All Purchase and Sale Contracts of a Foreign Currency (Details) - USD ($) $ in Thousands	Feb. 01, 2020	Feb. 02, 2019
Foreign Exchange Forward, US Dollars [Member]
Notional Amount	$ 3,963	$ 15,196
Foreign Exchange Forward, Euro [Member]
Notional Amount	1,251	13,383
Foreign Exchange Forward, Chinese Yuan [Member]
Notional Amount	2,355	4,507
Foreign Exchange Forward, New Taiwanese Dollars [Member]
Notional Amount	0	461
Foreign Exchange Forward, Other Currencies [Member]
Notional Amount	69	382
Foreign Exchange Forward [Member]
Notional Amount	$ 7,638	$ 33,929