INTANGIBLE ASSETS

6 Months Ended

Jun. 30, 2022

Goodwill and Intangible Assets Disclosure [Abstract]

INTANGIBLE ASSETS

INTANGIBLE ASSETS

The following table reflects the gross carrying amounts and net book values of intangible assets as of June 30, 2022 and December 31, 2021 (dollar amounts in thousands): 

	June 30, 2022							December 31, 2021
	Remaining Useful Life  (In years)	Gross Carrying Amount		Accumulated Amortization		Net Book Value		Gross Carrying Amount		Accumulated Amortization		Net Book Value
Products rights:
INDOCIN	9.9	$	154,100	$	(27,075)	$	127,025	$	154,100	$	(20,654)	$	133,446
Otrexup	7.5	44,086		(2,755)		41,331		44,086		—		44,086
SPRIX	4.9	39,000		(11,746)		27,254		39,000		(8,960)		30,040
CAMBIA	0.5	51,360		(47,385)		3,975		51,360		(43,410)		7,950
Zipsor	0.0	27,250		(27,250)		—		27,250		(26,718)		532
Total Intangible Assets		$	315,796	$	(116,211)	$	199,585	$	315,796	$	(99,742)	$	216,054

Amortization expense was $8.0 million and $16.5 million for the three and six months ended June 30, 2022, respectively, and $7.2 million and $13.8 million for the three and six months ended June 30, 2021, respectively.

The following table reflects future amortization expense the Company expects for its intangible assets (in thousands): 

Year Ending December 31,	Estimated Amortization Expense
2022 (remainder)	$	15,936
2023	23,924
2024	23,924
2025	23,924
2026	23,924
Thereafter	87,953
Total	$	199,585