XML 40 R29.htm IDEA: XBRL DOCUMENT v3.21.2
Note 6 - Inventories (Tables)
9 Months Ended
Sep. 30, 2021
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
   

September 30,

   

December 31,

 
   

2021

   

2020

 

Raw materials

  $ 61,481     $ 40,846  

Work in progress

    31,010       25,916  

Finished goods

    35,688       33,371  

Inventories

  $ 128,179     $ 100,133