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Note 3 - Reserve for Sales Returns and Allowance
12 Months Ended
Dec. 31, 2018
Notes to Financial Statements  
Reserve For Sales Returns And Allowances Disclosure [Text Block]
NOTE
3
- Reserve for Sales Returns and Allowances:
 
The activity in the reserve for sales returns and allowances was as follows (in thousands):
 
   
2018
   
2017
   
2016
 
Balance at the beginning of year
  $
1,125
    $
1,967
    $
1,384
 
                         
Provision for returns and allowances
   
4,908
     
2,789
     
4,445
 
                         
Actual returns and allowances paid to customers
   
(4,140
)    
(3,631
)    
(3,862
)
                         
Balance at the end of year
  $
1,893
    $
1,125
    $
1,967