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Inventories (Tables)
3 Months Ended
Mar. 31, 2023
Inventories (Tables) [Line Items]  
Schedule of Inventory, Current [Table Text Block]
 

March 31

2023

 

December 31

2022

In thousands

 

Raw materials

 

$

1,827

 

$

2,535

Work-in-progress

   

-

   

-

Finished goods

 

 

387

 

 

187

 

 

$

2,214

 

$

2,722