Goodwill and Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill

The change in the carrying amount of goodwill by reporting unit for the three months ended March 31, 2017 was as follows (in thousands).

	U.S. Medical		International Medical		Total
Balance as of December 31, 2016	$	130,410	$	18,401	$	148,811
Impact of changes in foreign currency and other	—		153		153
Balance as of March 31, 2017	$	130,410	$	18,554	$	148,964

Schedule of Acquired Intangible Assets

Acquired intangible assets consisted of the following (in thousands):

	March 31, 2017			December 31, 2016
Acquired as part of Stellarex acquisition: (1)
In-process research and development	$	13,680		$	13,680
Technology	9,000			9,000
Trademark and trade names	400			400
Transition services agreement	530			530
Acquired as part of AngioScore acquisition: (2)
Technology	73,510			73,510
Customer relationships	23,320			23,320
Trademark and trade names	4,380			4,380
In-process research and development	1,254			1,254
Distributor relationships	1,940			1,940
Non-compete agreements	580			580
Acquired as part of Upstream acquisition (3)
Technology	2,172			2,172
Non-compete agreement	200			200
Patents	530			530
Less: accumulated amortization	(36,186		)	(33,267		)
	$	95,310		$	98,229

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(1) In January 2015, the Company acquired Stellarex DCB assets, which included, among other things, the intellectual property, machinery and equipment, and inventories used in connection with the Stellarex DCB catheter.

(2) In June 2014, the Company acquired AngioScore, Inc.

(3) In January 2013, the Company acquired certain product lines from Upstream Peripheral Technologies Ltd. (“Upstream”). As part of the acquisition, the Company acquired core technology intangible assets and an intangible asset related to non-compete agreements.