Intangible Assets

3 Months Ended

Mar. 31, 2022

Goodwill and Intangible Assets Disclosure [Abstract]

Intangible Assets

Intangible Assets

The following table summarizes the carrying amount of intangible assets, net of accumulated amortization.

	March 31, 2022
(in thousands)	Gross Carrying Value		Accumulated Amortization		Net Carrying Amount
Patents	$	1,471	$	(1,200)	$	271
Acquired intellectual property and reacquired rights	15,126		(9,063)		6,063
Internal-use software implementation costs	2,873		(1,325)		1,548
	$	19,470	$	(11,588)	$	7,882

	December 31, 2021
(in thousands)	Gross Carrying Value		Accumulated Amortization		Net Carrying Amount
Patents	$	1,471	$	(1,176)	$	295
Acquired intellectual property and reacquired rights	15,126		(8,804)		6,322
Internal-use software implementation costs	2,873		(1,086)		1,787
	$	19,470	$	(11,066)	$	8,404

Amortization expense for the three months ended March 31, 2022 and 2021 was $0.5 million for both periods.