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Note 5 - Accounts Receivable - Accounts Receivable (Details) - USD ($)
$ in Thousands
Nov. 24, 2018
Nov. 25, 2017
Nov. 26, 2016
Gross accounts receivable $ 19,809 $ 20,257  
Allowance for doubtful accounts (754) (617) $ (799)
Net accounts receivable $ 19,055 $ 19,640