Intangible assets consisted of the following as of December 31, 2016 and 2015 (in thousands, except years):
 
 
December 31, 2016
 
 
Gross Carrying
Value
 
Accumulated
Amortization
 
Net Carrying
Value
 
Weighted
Average Useful
Life in Years
Customer relationships
 
$
790

 
$
(392
)
 
$
398

 
5.0
Technology
 
4,811

 
(3,070
)
 
1,741

 
6.0
Trademarks
 
930

 
(416
)
 
514

 
9.0
Partner relationships
 
680

 
(397
)
 
283

 
3.0
Non-compete agreements
 
40

 
(23
)
 
17

 
3.0
Domain names
 
273

 
(241
)
 
32

 
5.0
Patents
 
284

 
(164
)
 
120

 
5.0
 
 
$
7,808

 
$
(4,703
)
 
$
3,105

 
5.9

 
 
December 31, 2015
 
 
Gross Carrying Value
 
Accumulated Amortization
 
Net Carrying Value
 
Weighted Average Useful Life in Years
Customer relationships
 
$
790

 
$
(234
)
 
$
556

 
5.0
Technology
 
4,811

 
(2,268
)
 
2,543

 
6.0
Trademarks
 
930

 
(293
)
 
637

 
9.0
Partner relationships
 
680

 
(170
)
 
510

 
3.0
Non-compete agreements
 
40

 
(10
)
 
30

 
3.0
Domain names
 
274

 
(199
)
 
75

 
5.0
Patents
 
286

 
(121
)
 
165

 
5.0
 
 
$
7,811

 
$
(3,295
)
 
$
4,516

 
5.9
 
A summary of the activity within our intangible assets since December 31, 2015 is as follows (in thousands):
 Intangible assets, net at December 31, 2015
 
$
4,516

Additions
 
2

Dispositions
 
(5
)
Amortization
 
(1,408
)
Intangible assets, net at December 31, 2016
 
$
3,105