GOODWILL AND OTHER INTANGIBLE ASSETS (Tables)

3 Months Ended

Mar. 31, 2023

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill

Changes in the carrying amount of goodwill consisted of the following:

	March 31, 2023		December 31, 2022
	(In thousands)
Beginning balance	$	7,541	$	7,470
Acquisition of business	—		—
Tax adjustment	—		71
Impairment losses	—		—
Ending balance	$	7,541	$	7,541

Schedule of Finite-Lived Intangible Assets

Other intangible assets, net consisted of the following:

	March 31, 2023
	Weighted Average Amortization Period	Gross Carrying Amount		Accumulated Amortization		Net Book Value
		(In thousands)
Patents:
Intellectual property operations	6 years	$	331,402	$	(307,344)	$	24,058
Industrial operations	7 years	3,400		(718)		2,682
Total patents		334,802		(308,062)		26,740
Customer relationships - industrial operations	7 years	5,300		(1,121)		4,179
Trade name and trademarks - industrial operations	7 years	3,430		(725)		2,705
Total		$	343,532	$	(309,908)	$	33,624

	December 31, 2022
	Weighted Average Amortization Period	Gross Carrying Amount		Accumulated Amortization		Net Book Value
		(In thousands)
Patents:
Intellectual property operations	6 years	$	331,403	$	(304,744)	$	26,659
Industrial operations	7 years	3,400		(597)		2,803
Total patents		334,803		(305,341)		29,462
Customer relationships - industrial operations	7 years	5,300		(931)		4,369
Trade name and trademarks - industrial operations	7 years	3,430		(603)		2,827
Total		$	343,533	$	(306,875)	$	36,658

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense

The following table presents the scheduled annual aggregate amortization expense (in thousands):

Years Ending December 31,
Remainder of 2023	$	9,035
2024	10,692
2025	8,347
2026	2,483
2027	1,733
Thereafter	1,334
Total	$	33,624