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Note 7 - Inventories
12 Months Ended
Dec. 31, 2018
Notes to Financial Statements  
Inventory Disclosure [Text Block]
7.
Inventories
 
Inventories consist of the following:
 
    December 31,
    2018   2017
Raw materials   $
13,688
    $
11,296
 
Work-in-process    
4,626
     
6,062
 
Finished goods    
6,819
     
4,677
 
Total   $
25,133
    $
22,035
 
                 
Inventories   $
21,300
    $
22,035
 
Other long-term assets    
3,833
     
-
 
 
Other long-term assets include inventory expected to remain on hand beyond
one
year as of
December 31, 2018.
 
As a result of the voluntary recall of certain production lots of the Company’s HYAFF-based products, more fully described in Note
3,
the Company recorded an inventory reserve of
$0.8
million for non-saleable inventory. In addition, the Company recorded a net inventory reserve of
$1.3
million for certain HA raw materials, and it recorded a lower of cost or net realizable value adjustment of
$1.2
million for certain HYAFF-based products during the year ended
December 31, 2018.