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Inventories
12 Months Ended
Dec. 31, 2012
Inventory Disclosure [Abstract]  
Inventory Disclosure [Text Block]

6.  Inventories


Inventories consist of the following:


In thousands

2012

2011

Raw materials

$1,644

$1,826

Work-in-progress

393

449

Finished goods

431

600

 Invetories, Total

$2,468

$2,875