Acquired Intangible Assets

9 Months Ended

Sep. 30, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Acquired Intangible Assets

Acquired Intangible Assets

The following are the details of our intangible assets subject to amortization as of the dates presented:

		September 30, 2020						December 31, 2019
	Useful Lives (Years)	Gross		Accumulated Amortization		Net		Gross		Accumulated Amortization		Net
Trade names	10	$	1,040	$	(624)	$	416	$	1,040	$	(546)	$	494
Developed technology	10	2,980		(1,788)		1,192		2,980		(1,564)		1,416
Customer relationships	10	860		(516)		344		860		(452)		408
Total		$	4,880	$	(2,928)	$	1,952	$	4,880	$	(2,562)	$	2,318

Acquired intangible assets are amortized using the straight-line method over their estimated useful life, which approximates the expected use of these assets. Amortization expense amounted to $122 and $366 for each of the three and nine months ended September 30, 2020 and 2019, respectively. We will recognize the remaining amortization expense of $1,952 over a four-year period at a rate of $488 per year.