Consolidated Balance Sheets (Parentheticals) - USD ($) $ in Thousands	Aug. 01, 2015	Jan. 31, 2015	Aug. 02, 2014
Class of Stock [Line Items]
Allowance For Doubtful Accounts Receivable Current	$ 1,535	$ 1,542	$ 1,735
Preferred Stock Par Or Stated Value Per Share	$ 100	$ 100	$ 100
Preferred Stock Shares Authorized	100,000	100,000	100,000
Preferred Stock Shares Issued	0	0	0
Common Class B [Member]
Class of Stock [Line Items]
Common Stock Shares Authorized	15,000,000	15,000,000	15,000,000
Common Stock Shares Issued	1,743,525	1,743,525	1,743,525
Common Stock Par Or Stated Value Per Share	$ 0.033	$ 0.033	$ 0.033
Common Class A [Member]
Class of Stock [Line Items]
Common Stock Shares Authorized	50,000,000	50,000,000	50,000,000
Common Stock Shares Issued	26,318,286	26,174,684	26,175,776
Common Stock Par Or Stated Value Per Share	$ 0.033	$ 0.033	$ 0.033

A valuation allowance for trade and other receivables due to an Entity within one year (or the normal operating cycle, whichever is longer) that are expected to be uncollectible.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.4)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 4

-URI http://asc.fasb.org/extlink&oid=35738203&loc=d3e5074-111524

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 4

-Article 5

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