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Note 3 - Reserve for Sales Returns and Allowances
12 Months Ended
Dec. 31, 2012
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:

    2012     2011  
Balance at the beginning of year
  $ 272,000     $ 218,000  
                 
Provision for returns and allowances
    2,203,000       2,419,000  
                 
Actual returns and allowances paid to customers
    (2,297,000 )     (2,365,000 )
                 
Balance at the end of year
  $ 178,000     $ 272,000