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Note 4 - Inventories
9 Months Ended
Sep. 30, 2019
Notes to Financial Statements  
Inventory Disclosure [Text Block]
NOTE
4
 — INVENTORIES
 
Inventories consist of the following:
 
September 30, 2019
   
December 31, 2018
 
                 
Dental finished goods, net   $
1,338,193
    $
1,609,000
 
Medical finished goods, net    
196,958
     
188,133
 
Component parts and other materials    
81,911
     
123,918
 
Total inventories
  $
1,617,062
    $
1,921,051
 
 
At
September 30, 2019
and
December 31, 2018,
there is a reserve for slow moving medical finished goods of
$450,039
and
$454,183,
respectively, and damaged or slow moving dental finished goods of
$302,073
and
$309,196,
respectively. The reserve for the medical finished goods was primarily related to the delay in commercialization of the intra-articular medical instrument.