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Intangible Assets
6 Months Ended
Jun. 30, 2020
Intangible Assets  
Intangible Assets

5. Intangible Assets

 

Intangible assets as of June 30, 2020 and December 31, 2019 consisted of the following:

 

 

 

Estimated useful lives (years)

 

 

June 30, 2020

 

 

December 31, 2019

 

Tradename

 

 5

to

7

 

 

$

555

 

 

$

555

 

Patents and technological know-how

 

 

10

 

 

 

 

22,400

 

 

 

18,494

 

Proprietary software

 

 3

to

15

 

 

 

2,981

 

 

 

2,981

 

Other

 

 3

to

5

 

 

 

323

 

 

 

323

 

Total intangible assets

 

 

 

 

 

 

 

26,259

 

 

 

22,353

 

Accumulated amortization

 

 

 

 

 

 

 

(9,118

)

 

 

(8,344

)

Total intangible assets, net

 

 

 

 

 

 

$

17,141

 

 

$

14,009

 

 

The amortization of intangible assets for the three months ended June 30, 2020 and 2019 was as follows:

 

 

 

Three months ended June 30,

 


Six months ended June 30,

 

 

2020

 

 

2019

 


2020

2019

Amortization of intangible assets

 

$

406

 

 

$

336

 


$ 774

$ 700

 

The estimated future amortization expense of intangible assets is as follows:

 

Years ending December 31,

 

Amount

 

2020 (Remainder)

 

$

854

 

2021

 

 

1,708

 

2022

 

 

1,708

 

2023

 

 

1,701

 

2024

 

 

1,437

 

Thereafter

 

 

9,733

 

Total

 

 

17,141