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Note 8 - Inventory
3 Months Ended
Mar. 31, 2018
Notes to Financial Statements  
Inventory Disclosure [Text Block]
Note
8
– Inventory
 
Inventory consists primarily of raw materials, which are recorded at the lower of cost or market using the average-cost method, which approximates
first
-in,
first
-out (FIFO) cost. The Company periodically reviews its inventory for slow-moving, damaged and discontinued items and provides allowances to reduce such items identified to their recoverable amounts.
 
The Company’s inventory consisted of the following as of the dates indicated:
 

 
             
   
March 31,
   
December 31,
 
(in thousands)
 
2018
   
2017
 
Raw materials
  $
9,466
    $
9,767
 
Work in process
   
555
     
1,998
 
Total inventory
   
10,021
     
11,765
 
Allowance for obsolescence
   
(515
)    
(494
)
Inventory, net of allowance
  $
9,506
    $
11,271