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Note 1 - Basis of Presentation (Details Textual) - USD ($)
$ in Thousands
6 Months Ended
Jun. 01, 2019
May 26, 2018
Net Cash Provided by (Used in) Operating Activities, Total $ (8,942) $ 279
Net Cash Provided by (Used in) Investing Activities, Total (7,959) (21,282)
Net Cash Provided by (Used in) Financing Activities, Total $ (4,986) (10,397)
Reclassification Of Investments in Company-owned Life Insurance Due to ASU 2016-15 [Member]    
Net Cash Provided by (Used in) Operating Activities, Total   527
Net Cash Provided by (Used in) Investing Activities, Total   (527)
Reclassification Representing Portion of Debt Payment Attributable to Discount Accretion Due to ASU 2016-15 [Member]    
Net Cash Provided by (Used in) Operating Activities, Total   (78)
Net Cash Provided by (Used in) Financing Activities, Total   $ 78