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Goodwill and Intangible Assets
6 Months Ended
Jun. 30, 2017
Goodwill And Intangible Assets Disclosure [Abstract]  
Goodwill and Intangible Assets

7. Goodwill and Intangible Assets

Goodwill represents the excess of the purchase price of an acquired business over the estimated fair values of the underlying net tangible and intangible assets.

Goodwill consisted of the following:

 

 

 

Amount

 

Balance at January 1, 2017

 

$

114,033

 

Additions through acquisitions

 

 

23,364

 

Balance at June 30, 2017

 

$

137,397

 

 

During the six months ended June 30, 2017, the recognition of goodwill of $23,364 in connection with the inthinc Acquisition.

Goodwill is allocated to the Company’s one reportable segment, which is its only reporting unit.

The Company’s intangible assets consisted of the following:

 

 

 

 

 

June 30, 2017

 

 

December 31, 2016

 

 

 

Useful life

 

 

 

 

 

Accumulated

 

 

 

 

 

 

 

 

 

 

Accumulated

 

 

 

 

 

 

 

(years)

 

Cost

 

 

amortization

 

 

Net

 

 

Cost

 

 

amortization

 

 

Net

 

Customer lists

 

5-20

 

$

110,257

 

 

$

(24,403

)

 

$

85,854

 

 

$

91,757

 

 

$

(20,026

)

 

$

71,731

 

Patents and

   technology

 

5-10

 

 

22,781

 

 

 

(6,875

)

 

 

15,906

 

 

 

16,556

 

 

 

(5,990

)

 

 

10,566

 

Trade names and

   trademarks

 

1-2

 

 

2,884

 

 

 

(2,756

)

 

 

128

 

 

 

2,885

 

 

 

(2,637

)

 

 

248

 

 

 

 

 

$

135,922

 

 

$

(34,034

)

 

$

101,888

 

 

$

111,198

 

 

$

(28,653

)

 

$

82,545

 

 

The weighted-average amortization period for the intangible assets is 11.4 years. The weighted-average amortization period for customer lists, patents and technology and trade names and trademarks is 12.1, 9.4 and 1.2 years, respectively.

Amortization expense was $2,689 and $3,068 for the quarter ended June 30, 2017 and 2016, respectively. Amortization expense was $5,381 and $6,130 for the six months ended June 30, 2017 and 2016, respectively.

Estimated annual amortization expense for intangible assets subsequent to June 30, 2017 is as follows:

 

 

 

Amount

 

2017 (remaining)

 

$

6,133

 

2018

 

 

12,013

 

2019

 

 

11,977

 

2020

 

 

11,694

 

2021

 

 

11,232

 

2022

 

 

10,777

 

Thereafter

 

 

38,062

 

 

 

$

101,888