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Note 10 - Inventories (Tables)
6 Months Ended
Jun. 30, 2022
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
  

June 30,

2022

  

December 31,

2021

 

Raw materials

 $13,687  $10,403 

Work in process

  1,728   1,250 

Inventory consigned to others

  50   44 

Finished goods

  2,054   1,166 

Total inventories

 $17,519  $12,863 
  

Three Months Ended
June 30,

  

Six Months Ended
June 30,

 
  

2022

  

2021

  

2022

  

2021

 
                 

Excess and obsolete inventory charges

 $107  $54  $230  $93