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PROPERTY AND EQUIPMENT (Tables)
12 Months Ended
Dec. 31, 2017
Property, Plant and Equipment [Abstract]  
Schedule of property and equipment
Property and equipment consisted of the following (in thousands):
 
 
 
December 31,
 
Useful Life
 
2017
 
2016
Equipment
2-5 years
 
$
67,415

 
$
63,622

Software
2-5 years
 
21,977

 
19,378

Furniture and fixtures
3-5 years
 
1,892

 
698

Leasehold improvements
Shorter of the life of the lease or estimated useful life (1-5 years)
 
18,428

 
11,757

 
 
 
109,712

 
95,455

Less accumulated depreciation and amortization
 
 
(84,932
)
 
(83,714
)
Property and equipment, net
 
 
$
24,780

 
$
11,741

Property and equipment under capital leases included in the amounts above were as follows (in thousands):
 
December 31,
 
2017
 
2016
Cost
$
664

 
$
173

Less accumulated depreciation
(180
)
 
(68
)
Property and equipment under capital leases, net
$
484

 
$
105

The net book values of the Company's property and equipment by geographic area were as follows (in thousands):
 
December 31,
 
2017
 
2016
United States
$
17,576

 
$
7,939

Canada
1,740

 
246

Asia/Pacific
3,853

 
2,963

Europe
1,400

 
593

Other
211

 

 
$
24,780

 
$
11,741