Intangible Assets

3 Months Ended

Mar. 31, 2020

Intangible Assets

Intangible Assets

5. Intangible Assets

Intangible assets consisted of the following: 

		Gross Cost				Accumulated Amortization
	Remaining		March 31,		December 31,		March 31,		December 31,
	Life (years)	2020		2019		2020		2019
Other intangible assets	7.3		751		751		200		181
Total definite-lived intangible assets			751		751		200		181
IPR&D	na		6,629		6,629		—		—
Total intangible assets		$	7,380	$	7,380	$	200	$	181

As of March  31, 2020, estimated future amortization expense is as follows:

Year Ending December 31,
2020	$	56
2021		75
2022		75
2023		75
2024		75
Thereafter		195
Total	$	551