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Accounts Receivable
 3 Months Ended
Jul. 29, 2012
Accounts Receivable
4.  Accounts Receivable

A summary of accounts receivable follows:
             
(dollars in thousands)
  
July 29, 2012
    
April 29, 2012
  
Customers
   $ 21,226     $ 26,100  
Allowance for doubtful accounts
     (639 )     (567 )
Reserve for returns and allowances and discounts
     (566 )     (478 )
    $ 20,021     $ 25,055  
 
A summary of the activity in the allowance for doubtful accounts follows:
             
   
Three months ended
  
(dollars in thousands)
  
July 29, 2012
    
July 31, 2011
  
Beginning balance
   $ (567 )   $ (776 )
Provision for bad debts
     (41 )     14  
Net write-offs, net of recoveries
     (31 )     40  
Ending balance
   $ (639 )   $ (722 )
 
A summary of the activity in the allowance for returns and allowances and discounts accounts follows:
 
   
Three months ended
  
(dollars in thousands)
  
July 29, 2012
    
July 31, 2011
  
Beginning balance
   $ (478 )   $ (577 )
Provision for returns, allowances
                
and discounts
     (847 )     (628 )
Credits issued
     759       655  
Ending balance
   $ (566 )   $ (550 )