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Intangible Assets
 6 Months Ended
Jun. 30, 2015
Goodwill And Intangible Assets Disclosure [Abstract]  
Intangible Assets

NOTE 6. INTANGIBLE ASSETS

Intangible assets consisted of the following (in thousands):

 

June 30, 2015

 

 

December 31, 2014

 

 

Gross

 

 

Accumulated

 

 

Intangible

 

 

Gross

 

 

Accumulated

 

 

Intangible

 

 

Assets

 

 

Amortization

 

 

Assets, Net

 

 

Assets

 

 

Amortization

 

 

Assets, Net

 

Customer lists acquired

$

28,123

 

 

$

(19,733

)

 

$

8,390

 

 

$

28,123

 

 

$

(18,368

)

 

$

9,755

 

Technology and patents

 

24,358

 

 

 

(12,645

)

 

 

11,713

 

 

 

24,358

 

 

 

(11,645

)

 

 

12,713

 

Trade names and

  trademarks

 

3,190

 

 

 

(1,124

)

 

 

2,066

 

 

 

3,190

 

 

 

(890

)

 

 

2,300

 

Total intangible assets

$

55,671

 

 

$

(33,502

)

 

$

22,169

 

 

$

55,671

 

 

$

(30,903

)

 

$

24,768

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Amortization expense was $2.6 million and $1.0 million during the six months ended June 30, 2015 and 2014, respectively

Based on the recorded intangibles at June 30, 2015, estimated amortization expense is expected to be $2.4 million during the remainder of 2015, $4.4 million in 2016, $3.8 million in 2017, $3.3 million in 2018, $2.9 million in 2019 and $5.4 million thereafter.