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Note C - Inventories
12 Months Ended
Dec. 31, 2019
Notes to Financial Statements  
Inventory Disclosure [Text Block]
NOTE C – INVENTORIES 
 
Inventories consist of the following:
 
    December 31,
    2019   2018
Raw materials   $
320,507
    $
467,842
 
Work in process    
81,002
     
30,057
 
Finished products    
815,768
     
984,252
 
Total Inventories
  $
1,217,277
    $
1,482,151
 
  
Inventories are valued at the lower of cost and net realizable value. Cost is determined using the average cost method, which approximates cost determined by the
first
-in,
first
-out method. Finished product inventories at
December 31, 2019
and
December 31, 2018
are net of a reserve of
$35,000
and
$20,000
respectively, for slow-moving or obsolete inventory. At
December 31, 2019
and
2018,
the Company had an allowance of
$231,392
and
$160,533
respectively, for possible outdated material returns, which is included in accrued expenses.