Property and Equipment, Net (Tables)
 12 Months Ended
Dec. 31, 2013
Property and Equipment, Net  
Property And Equipment, Net [Table Text Block]
Property and equipment, net, consisted of the following (in thousands):
 
December 31,
 
2013
 
2012
Internal-use software
$
4,198

 
$
3,078

Leasehold improvements
1,700

 
162

Computer, equipment and software
1,096

 
960

Furniture and fixtures
813

 
662

Construction-in-progress
119

 
15

Total property and equipment, gross
7,926

 
4,877

Less: Accumulated depreciation and amortization
(3,259
)
 
(1,733
)
Total property and equipment, net
$
4,667

 
$
3,144