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Property, Plant and Equipment (Tables)
 12 Months Ended
Dec. 31, 2013
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment [Table Text Block]
Property, plant and equipment are summarized as follows:
 
 
 
December 31,
 
 
 
2013
 
2012
 
Land
 
$
1,000
 
$
1,000
 
Building
 
 
3,361
 
 
3,361
 
Machinery and equipment
 
 
10,078
 
 
9,980
 
Furniture and fixtures
 
 
412
 
 
412
 
Office equipment
 
 
2,232
 
 
2,179
 
Building improvements
 
 
1,039
 
 
1,036
 
 
 
 
18,122
 
 
17,968
 
Less: Accumulated depreciation and amortization
 
 
(14,412)
 
 
(13,959)
 
 
 
$
3,710
 
$
4,009