Consolidated Balance Sheets (Parentheticals) - USD ($)	Feb. 03, 2018	Jan. 28, 2017
Class of Stock [Line Items]
Allowance For Doubtful Accounts Receivable Current	$ 1,148,000	$ 1,348,000
Preferred Stock Par Or Stated Value Per Share	$ 100	$ 100,000
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	23,045,039	24,853,129
Common Stock Par Or Stated Value Per Share	$ 0.033	$ 0.033