Consolidated Balance Sheets (Parentheticals) - USD ($) $ in Thousands	Jan. 28, 2017	Jan. 30, 2016
Class of Stock [Line Items]
Allowance For Doubtful Accounts Receivable Current	$ 1,348	$ 1,447
Preferred Stock Par Or Stated Value Per Share	$ 100	$ 100
Preferred Stock Shares Authorized	100,000	100,000
Preferred Stock Shares Issued	0	0
Common Class B [Member]
Class of Stock [Line Items]
Common Stock Shares Authorized	15,000,000	15,000,000
Common Stock Shares Issued	1,751,576	1,743,525
Common Stock Par Or Stated Value Per Share	$ 0.033	$ 0.033
Common Class A [Member]
Class of Stock [Line Items]
Common Stock Shares Authorized	50,000,000	50,000,000
Common Stock Shares Issued	24,853,129	26,129,692
Common Stock Par Or Stated Value Per Share	$ 0.033	$ 0.033