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

In thousands

2023

 

2022

Raw materials

$

2,102

 

$

2,535

Work-in-progress

18

-

Finished goods

 

252

 

 

187

Total inventory

$

2,372

 

$

2,722