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Consolidated Balance Sheets (Parentheticals) - USD ($) | Nov. 02, 2019 | Feb. 02, 2019
--- | --- | ---
Class of Stock [Line Items] |  |
Allowance For Doubtful Accounts Receivable Current | $ 900,000 | $ 842,000
Preferred Stock Par Or Stated Value Per Share | $ 100 |
Preferred Stock Shares Authorized | 100,000 |
Common Class B [Member] |  |
Class of Stock [Line Items] |  |
Common Stock Shares Authorized | 15,000,000 |
Common Stock Shares Issued | 1,763,652 | 1,763,652
Common Stock Par Or Stated Value Per Share | $ 0.033 |
Common Class A [Member] |  |
Class of Stock [Line Items] |  |
Common Stock Shares Authorized | 50,000,000 |
Common Stock Shares Issued | 22,873,215 | 22,838,149
Common Stock Par Or Stated Value Per Share | $ 0.033 |

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