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Property, Plant and Equipment
6 Months Ended
Jun. 30, 2012
Property, Plant and Equipment Disclosure [Text Block]
2.
Property, Plant and Equipment

 
June 30,
 
December 31,
 
2012
 
2011
Land and buildings
$13,896
 
$13,896
Machinery and equipment
30,430
 
27,277
Office furniture and equipment
1,168
 
1,168
Construction in process
773
 
2,116
Property, plant and equipment, at cost
46,267
 
44,457
Less accumulated depreciation
26,298
 
26,867
Property, plant and equipment, net
$19,969
 
$17,590