v2.4.0.6
Property and Equipment
12 Months Ended
Dec. 31, 2011
PROPERTY AND EQUIPMENT, NET [Abstract]  
Property, Plant and Equipment Disclosure [Text Block]
PROPERTY AND EQUIPMENT, NET
The following summarizes the Company's property and equipment, net as of December 31 (in thousands):

 
 
 
 
 
 
 
2010
 
2011
Furniture and fixtures
 
$6,691
 
$8,579
Leasehold improvements
 
5,233
 
14,999
Computer hardware and other
 
3,396
 
25,617
External software
 
1,767
 
7,744
Office and telephone equipment
 
1,408
 
4,695
Internally developed software
 
 
4,793
Property and equipment
 
18,495
 
66,427
Less: accumulated depreciation and amortization
 
(2,005)
 
(14,627)
Property and equipment, net
 
$16,490
 
$51,800

Depreciation expense on property and equipment was less than $0.1 million for the year ended December 31, 2009 and $1.9 million and $12.8 million for the years ended December 31, 2010 and 2011, respectively.