Intangible Assets and Goodwill

12 Months Ended

Dec. 31, 2018

(9) Intangible Assets and Goodwill

The following schedule represents intangible assets recognized in connection with product acquisitions (See description of Business, Basis of Consolidation and Significant Accounting Policies for the Company’s accounting policy regarding intangible assets):

	Amount
Intangible assets at December 31, 2015	$	129,160
Additions during fiscal 2016		224
Write offs during fiscal 2016		(78	)
Impact of movement in exchange rates		69
Amortization expense		(7,942	)
Intangible assets at December 31, 2016		121,433
Additions during fiscal 2017		68,327
Impact of movement in exchange rates		(6	)
Amortization expense		(8,804	)
Intangible assets at December 31, 2017		180,950
Additions during fiscal 2018		16,429
Impact of movement in exchange rates		(45	)
Amortization expense		(10,751	)
Intangible assets at December 31, 2018	$	186,583

Goodwill at December 31, 2017	$	22,184
Net additions during fiscal 2018		3,606
Goodwill at December 31, 2018	$	25,790

Intangible assets and goodwill at December 31, 2018	$	212,373

The following schedule represents the gross carrying amount and accumulated amortization of intangible assets and goodwill. Product rights and trademarks are amortized over their expected useful lives of 25 years. Customer lists are amortized over their expected useful lives of ten years.

	2018						2017
$000’s	Gross		Accumulated Amortization		Net Book Value		Gross		Accumulated Amortization		Net Book Value
Product Rights	$	235,684	$	79,627	$	156,057	$	223,022	$	70,701	$	152,321
Trademarks		30,483		5,337		25,146		27,541		4,233		23,308
Customer Lists		7,529		2,149		5,380		6,791		1,470		5,321
Total intangibles assets		273,696		87,113		186,583		257,354		76,404		180,950
Goodwill		25,790		—		25,790		22,184		—		22,184
Total intangibles and goodwill	$	299,486	$	87,113	$	212,373	$	279,538	$	76,404	$	203,134

The following schedule represents future amortization charges related to intangible assets:

Year ending December 31,
2019	$	12,822
2020		12,822
2021		12,713
2022		12,592
2023		11,972
Thereafter		123,662
	$	186,583

The following schedule represents the Company’s obligations under acquisitions and licensing agreements:

	Amount
Obligations under acquisition agreements at December 31, 2015	$	1,535
Additional obligations acquired		224
Adjustment to deferred liabilities		(22	)
Amortization of discounted liabilities		38
Payments on existing obligations		(960	)
Obligations under acquisition agreements at December 31, 2016		815
Additional obligations acquired		10,659
Adjustment to deferred liabilities		(223	)
Amortization of discounted liabilities		109
Payments on existing obligations		(26	)
Obligations under acquisition agreements at December 31, 2017		11,334
Adjustment to deferred liabilities		(7,747	)
Amortization of discounted liabilities		345
Payments on existing obligations		(66	)
Obligations under acquisition agreements at December 31, 2018	$	3,866

As of December 31, 2018, the $3,866 in remaining obligations under product acquisitions and licensing agreements is included in other liabilities.