v3.22.2.2
Note 5 - Inventories (Tables)
9 Months Ended
Sep. 30, 2022
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
  

As of September 30,

  

As of December 31,

 

(in thousands)

 

2022

  

2021

 

Raw materials

 $1,198  $1,316 

Work-in-process

  210   19 

Total inventories

 $1,408  $1,335