XML 55 R20.htm IDEA: XBRL DOCUMENT v3.20.1
Note 2 - Inventories (Tables)
3 Months Ended
Mar. 31, 2020
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
   
March 31,
   
December 31,
 
   
2020
   
2019
 
Finished goods
  $
65,530
    $
65,413
 
Work in process
   
558
     
652
 
Raw materials
   
7,756
     
7,314
 
Inventories
  $
73,844
    $
73,379