Consolidated Balance Sheets (Parentheticals) - USD ($) $ in Thousands	Oct. 28, 2017	Jan. 28, 2017
Class of Stock [Line Items]
Allowance For Doubtful Accounts Receivable Current	$ 1,145	$ 1,348
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	1,755,601	1,751,576
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	23,276,248	24,853,129
Common Stock Par Or Stated Value Per Share	$ 0.033	$ 0.033