INTANGIBLE ASSETS (Tables)

3 Months Ended

Mar. 31, 2022

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of gross carrying amounts and net book values of intangible assets and goodwill

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

	March 31, 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	10.1	$	154,100	$	(23,864)	$	130,236	$	154,100	$	(20,654)	$	133,446
Otrexup	7.7	44,086		(1,377)		42,709		44,086		—		44,086
SPRIX	5.1	39,000		(10,354)		28,646		39,000		(8,960)		30,040
CAMBIA	0.8	51,360		(45,397)		5,963		51,360		(43,410)		7,950
Zipsor	0.0	27,250		(27,250)		—		27,250		(26,718)		532
Oxaydo	0.0	300		(300)		—		300		(300)		—
Total Intangible Assets		$	316,096	$	(108,542)	$	207,554	$	316,096	$	(100,042)	$	216,054

Schedule of the future amortization expenses of intangible assets

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)	$	23,906
2023	23,924
2024	23,924
2025	23,924
2026	23,924
Thereafter	87,952
Total	$	207,554