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Inventories
12 Months Ended
Dec. 31, 2013
Inventory Disclosure [Abstract]  
Inventory Disclosure [Text Block]

3.       Inventories 


        Inventories consist of the following (in thousands):


 

December 31,

 

2013

 

2012

Raw materials

$2,782

 

$4,340

Work in progress

1,039

 

1,815

Finished goods

2,098

 

2,542

Inventories

$5,919

 

$8,697