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Inventories
3 Months Ended
Mar. 31, 2015
Inventory Disclosure [Abstract]  
Inventory Disclosure [Text Block]
Note 4  Inventories

Inventories are stated at the lower of cost or market and consist of the following:

 
March 31 
 
December 31 
In thousands
2015 
 
2014 
Raw materials 
$
1,270  
 
$
1,192  
Work-in-progress 
 
459  
   
399  
Finished goods 
 
455  
   
220  
Inventories 
$
2,184  
 
$
1,811