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Note 5 - Inventories (Tables)
6 Months Ended
Jun. 30, 2020
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
   

June 30, 2020

   

December 31, 2019

 
   

(in thousands)

 

Finished Goods

  $ 10,159     $ 9,737  

Raw Materials

    7,032       8,510  

Total Inventories

  $ 17,191     $ 18,247  
                 

Current portion

  $ 10,857     $ 10,653  

Long-term portion

    6,334       7,594  

Total inventories

  $ 17,191     $ 18,247