Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2017

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Summary of Other Intangible Assets Net Consisting of Product Rights and Licenses

Other intangible assets, net, consisting of product rights and licenses are summarized as follows:

December 31, 2017	Gross Carrying Value		Accumulated Amortization			Intangible Assets, net		Weighted average Useful Life
Product rights	$	6,050	$	(4,881	)	$	1,169		1.21
BELBUCA® license and distribution rights		45,000		(4,500	)		40,500		8.50
Licenses		1,900		(1,709	)		191		0.54
Total intangible assets	$	52,950	$	(11,090	)	$	41,860		10.25
December 31, 2016	Gross Carrying Value		Accumulated Amortization			Intangible Assets, net		Weighted average Useful Life
Product rights	$	9,050	$	(7,052	)	$	1,998		9.11
Licenses		1,900		(1,613	)		287		1.84
Total intangible assets	$	10,950	$	(8,665	)	$	2,285		10.95

Schedule Estimated Aggregate Future Amortization Expenses for Other Intangible Assets

Estimated aggregate future amortization expenses for other intangible assets for each of the next five years and thereafter are as follows:

Years ending December 31,
2018	$	5,157
2019		5,157
2020		4,547
2021		4,500
2022		4,500
Thereafter		17,999
	$	41,860