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Note 7 - Inventories (Tables)
12 Months Ended
Dec. 31, 2020
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
  

December 31,
2020

  

December 31,
2019

 
  

(In thousands)

 

Finished goods

 $10,749  $9,737 

Raw materials

  8,098   8,510 

Total inventories

 $18,847  $18,247 
         

Current Portion

 $10,034  $10,653 

Long-term portion

  8,813   7,594 

Total inventories

 $18,847  $18,247