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Note 8 - Inventories
12 Months Ended
Dec. 31, 2020
Notes to Financial Statements  
Inventory Disclosure [Text Block]
8.
  
Inventories
 
Inventories are stated at the lower of cost or net realizable value. Cost is determined using standard costs which approximate costing determined on a
first
-in,
first
out basis. Standard costs are reviewed and adjusted periodically and at year end based on actual direct and indirect production costs. On a periodic basis, the Company reviews its inventory for estimated obsolescence or unmarketable items, primarily by reviewing future demand requirements and shelf life of the product.
 
Inventories of continuing operations are comprised of the following:
 
   
December 31,
2020
   
December 31,
2019
 
Raw materials
  $
1,177,000
    $
1,545,000
 
Work in Process
   
2,799,000
     
3,110,000
 
Finished Goods
   
7,224,000
     
9,134,000
 
In Transit
   
88,000
     
100,000
 
Allowance for excess quantities
   
(318,000
)
   
(352,000
)
Total inventories
  $
10,970,000
    $
13,537,000