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Inventories
3 Months Ended
Mar. 31, 2014
Inventory Disclosure [Abstract]  
Inventory Disclosure [Text Block]

3.       Inventories


Inventories consist of the following (in thousands):


 

 

March 31, 2014

 

 

December 31, 2013

Raw materials

$

2,825

 

$

2,782

Work in progress

 

1,125

 

 

1,039

Finished goods

 

2,076

 

 

2,098

Inventories

$

6,026

 

$

5,919