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ACCOUNTS RECEIVABLE
 12 Months Ended
Apr. 30, 2017
Receivables [Abstract]  
ACCOUNTS RECEIVABLE
2.     ACCOUNTS RECEIVABLE
A summary of accounts receivable follows:
 
   April 30,     May 1,  
(dollars in thousands)  
2017
     2016  
customers 
   $ 26,211       25,531  
allowance for doubtful accounts
    
(414
)
     (1,088 )
reserve for returns and allowances and discounts     (1,220 )     (962 )
 
   $ 24,577      
23,481
  
 
A summary of the activity in the allowance for doubtful accounts follows:
 
(dollars in thousands)
  
2017
    
2016
    
2015
  
beginning balance
  
$
(1,088
)
    
(851
)
    
(573
)
provision for bad debts
    
222
      
(363
)
    
(421
)
write-offs, net of recoveries
    
452
      
126
      
143
  
ending balance
  
$
(414
)
    
(1,088
)
    
(851
)
 
A summary of the activity in the allowance for returns and allowances and discounts follows:

(dollars in thousands)
  
2017
    
2016
    
2015
  
beginning balance
  
$
(962
)
    
(738
)
    
(479
)
provision for returns and allowances and discounts
    
(3,061
)
    
(2,825
)
    
(2,733
)
credits issued
    
2,803
      
2,601
      
2,474
  
ending balance
  
$
(1,220
)
    
(962
)
    
(738
)