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Note 7 - Inventories
6 Months Ended
Jun. 30, 2020
Notes to Financial Statements  
Inventory Disclosure [Text Block]

(7)      Inventories

 

Inventories are stated at the lower of cost (determined using the first-in, first-out method) or net realizable value, and consist of the following at the stated dates (in thousands):

 

   

June 30,

   

December 31,

 
   

2020

   

2019

 

Raw materials

  $ 12,508     $ 10,540  

Work in process

    2,508       2,279  

Finished goods

    5,943       5,457  

Total inventory

  $ 20,959     $ 18,276