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Note 5 - Accounts Receivable
 12 Months Ended
Nov. 24, 2018
Notes to Financial Statements  
Loans, Notes, Trade and Other Receivables Disclosure [Text Block]
5.
Accounts Receivable
 
Accounts receivable consists of the following:
 
   
November 24,
2018
    
November 25,
2017
  
Gross accounts receivable
   $
19,809
     $
20,257
  
Allowance for doubtful accounts
    
(754
 )    
(617
 )
Net accounts receivable
   $
19,055
     $
19,640
  
 
Activity in the allowance for doubtful accounts was as follows:
 
   
2018
    
2017
  
                 
Balance, beginning of the year
   $
617
     $
799
  
Acquired allowance on accounts receivable (Note 3)
    
50
      
-
  
Additions charged to expense (recoveries)
    
339
      
(59
 )
Reductions to allowance, net
    
(252
 )    
(123
 )
Balance, end of the year
   $
754
     $
617
  
 
We believe that the carrying value of our net accounts receivable approximates fair value. The inputs into these fair value estimates reflect our market assumptions and are
not
observable. Consequently, the inputs are considered to be Level
3
as specified in the fair value hierarchy in ASC Topic
820,
Fair Value Measurements and Disclosures
. See Note
4.