(8) Product Acquisitions

During 2015, the Company entered into two acquisitions with a combined purchase consideration of $36,667. Subsequently, in 2016, the Company paid an additional amount of $224 related to certain studies for one of the acquisitions, pursuant to the purchase agreement of the acquisition. The amount of goodwill allocated to the product acquisitions was not material. Results of the 2015 acquisitions were included in the Company’s consolidated statements of operations from the dates of the respective acquisitions and are immaterial.

Pro forma financial information for these acquisitions has not been included since they were immaterial. The acquisitions completed in 2015 were as follows:

On April 29, 2015, AMVAC CV completed the acquisition of certain assets relating the bromacil herbicide product line from Dupont Crop Protection. The assets acquired included the Hyvar^® and Krovar^® trademarks, product registrations, product registration data, customer information, access to certain know-how, technical registrations and associated registration data in all markets outside of North America. Bromacil is a broad spectrum residual herbicide used on crops such as pineapples, citrus, agave and asparagus, and is marketed globally under the Hyvar^® and Krovar^® brands. Bromacil herbicides are important weed control tools and are used in countries such as Japan, Philippines, Thailand, Mexico, Cost Rica and Brazil. The acquisition is consistent with the Company’s long term strategic plan. The Company assessed the acquisition as a business combination under ASC 805 (Business Combinations).

On April 6, 2015, AMVAC CV completed the acquisition of certain assets relating to the Nemacur^® insecticide/nematicide product line from Adama Agricultural Solutions Ltd (“Adama”). The assets acquired include all trademarks, product registrations, associated registration data, and customer information that relate to the marketing and sale of this crop protection product in Europe. Nemacur^® is a highly effective insecticide/nematicide used to control soil insects and nematodes on many fruit and vegetable crops. The acquisition is consistent with the Company’s long term strategic plan. The Company assessed the acquisition as a business combination under ASC 805 (Business Combinations).

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, 2013	$	107,007
Write off during fiscal 2014		(319	)
Impact of movement in exchange rates		(86	)
Amortization expense		(6,391	)
Intangible assets at December 31, 2014	$	100,211
Additions during fiscal 2015		36,667
Write offs during fiscal 2015		(33	)
Impact of movement in exchange rates		(197	)
Amortization expense		(7,488	)
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

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

	2016						2015
$000’s	Gross		Accumulated Amortization		Net Book Value		Gross		Accumulated Amortization		Net Book Value
Product Rights	$	167,906	$	63,141	$	104,765	$	167,694	$	56,233	$	111,461
Customer Lists		3,091		1,053		2,038		3,091		744		2,347
Trademarks		18,041		3,411		14,630		18,041		2,689		15,352
Total Intangibles	$	189,038	$	67,605	$	121,433	$	188,826	$	59,666	$	129,160

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

Year ending December 31,
2017	$	7,911
2018		7,793
2019		7,793
2020		7,523
2021		7,438
Thereafter		82,975
	$	121,433

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

	Amount
Obligations under acquisition agreements at December 31, 2013	$	3,886
Adjustment to deferred liabilities		(32	)
Amortization of discounted liabilities		324
Payments on existing obligations		(1,686	)
Obligations under acquisition agreements at December 31, 2014	$	2,492
Additional obligations acquired		1,367
Adjustment to deferred liabilities		65
Amortization of discounted liabilities		135
Payments on existing obligations		(2,524	)
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

In each of the past three fiscal years, the Company has remeasured the fair value of the earn out liabilities related to the acquisitions completed in the first quarter of 2010. Based on the remeasurement; in 2016, the fair value was decreased by $22 and thereby decreased operating expenses by $22; in 2015, the fair value was increased by $65, thereby increasing operating expenses by $65; and in 2014, the fair value was reduced by $32, thereby reduced operating expenses by $32.

As of December 31, 2016, the $815 in remaining obligations under product acquisitions and licensing agreements is included in other liabilities.