XML 39 R28.htm IDEA: XBRL DOCUMENT v3.20.2
Note 6 - Inventories (Tables)
9 Months Ended
Sep. 30, 2020
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
  

September 30,

  

December 31,

 
  

2020

  

2019

 

Raw materials

 $44,990  $47,936 

Work in progress

  26,614   27,065 

Finished goods

  32,043   32,275 

Inventories

 $103,647  $107,276