Note 2 - Cash, Cash Equivalents and Marketable Securities (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended	12 Months Ended
	Nov. 01, 2014	Feb. 01, 2014
Book Value	$ 27,083	$ 36,498
Net Unrealized Gains (Losses)	193	319
Fair Value	27,276	36,817
Cash on hand	67,037	50,805
Fair Value	94,313	87,622
Fair Value	81,296	64,326
Fair Value	8,752	7,791
Fair Value	4,265	15,505
Overseas [Member]
Cash on hand	66,249	49,701
United States [Member]
Cash on hand	788	1,104
Corporate Bond Securities [Member]
Book Value	11,520	21,186
Net Unrealized Gains (Losses)	187	308
Fair Value	11,707	21,494
Fixed Income Investments [Member]
Book Value	1,303	1,286
Net Unrealized Gains (Losses)	6	8
Fair Value	1,309	1,294
Money Market Funds [Member]
Book Value	14,260	13,521
Fair Value	14,260	13,521
Municipal Bonds and Notes [Member]
Book Value		505
Net Unrealized Gains (Losses)		3
Fair Value		$ 508