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Property and Equipment (Tables)
12 Months Ended
Dec. 31, 2013
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment [Table Text Block]
Property and equipment consisted of the following as of December 31, 2013 and 2012:
 
December 31,
 
2013
 
2012
Furniture and fixtures
$
3,697

 
$
3,613

Office equipment
1,187

 
1,282

Computer equipment
6,635

 
6,760

Internal-use software
11,442

 
11,138

External-use software
1,105

 

Leasehold improvements
7,121

 
7,128

 
31,187

 
29,921

Less accumulated depreciation
(28,398
)
 
(27,525
)
 
$
2,789

 
$
2,396