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Note 4 - Accounts Receivable (Tables)
9 Months Ended
Aug. 29, 2020
Notes Tables  
Schedule Of Accounts Receivable [Table Text Block]
  

August 29,

2020

  

November 30,

2019

 

Gross accounts receivable

 $20,502  $22,193 

Allowance for doubtful accounts

  (1,403)  (815)

Accounts receivable, net

 $19,099  $21,378 
Financing Receivable, Current, Allowance for Credit Loss [Table Text Block]

Balance at November 30, 2019

 $815 

Additions charged to expense

  727 

Write-offs against allowance

  (139)

Balance at August 29, 2020

 $1,403