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Note 3 - Reserve for Sales Returns and Allowances
12 Months Ended
Dec. 31, 2015
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:
 
   
2015
   
2014
 
Balance at the beginning of year
  $ 1,308,000     $ 793,000  
                 
Provision for returns and allowances
    4,547,000       6,024,000  
                 
Liability assumed in acquisition of business
    -       -  
                 
Actual returns and allowances paid to customers
    (4,471,000 )     (5,509,000 )
                 
Balance at the end of year
  $ 1,384,000     $ 1,308,000