Other Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of other intangible assets

Other intangible assets are as follows (in thousands):

	March 31, 2020				December 31, 2019
	Cost (1)		Accumulated Amortization		Cost		Accumulated Amortization
Finite-lived intangible assets:
Patents and technology	$	—	$	—	$	17,493	$	6,715
Customer lists	—		—		15,367		6,013
Trademarks and brand names	—		—		1,351		1,160
Intangible assets in progress	—		—		—		—
Total finite-lived intangible assets	$	—	—		$	34,211	13,888
Carrying value:
Other intangible assets, net	$	—			$	20,323

⁽¹⁾ During the three months ended March 31, 2020, after $0.5 million of amortization expense was recorded, the Company recorded impairment charges to patents of $9.9 million, customer lists of $9.2 million, intangibles in progress of $0.6 million and trademarks and brand names of $0.2 million. See Note 9 - Impairment of Fixed and Long-lived Assets.