Segment Information

6 Months Ended

Jun. 30, 2017

Segment Reporting [Abstract]

Segment Information

14. Segment Information

The Company reports two operating segments, U.S. and International, based on geographic customer base. The results of these operating segments are regularly reviewed by the Company’s chief operating decision maker, the President and Chief Executive Officer. The Company’s segments derive revenues through the manufacture, marketing, selling and distribution of medical imaging products, focused primarily on cardiovascular diagnostic imaging. All goodwill has been allocated to the U.S. operating segment. The Company does not identify or allocate assets to its segments.

Selected information for each operating segment is as follows:

	Three Months Ended						Six Months Ended
	June 30,						June 30,
(in thousands)	2017			2016			2017			2016
Revenues from external customers
U.S.	$	78,100		$	65,134		$	149,127		$	130,067
International		10,737			12,832			21,069			24,373
Total revenues from external customers	$	88,837		$	77,966		$	170,196		$	154,440
Operating income
U.S.	$	16,895		$	12,895		$	28,063		$	24,293
International		1,002			1,284			1,761			7,559
Operating income		17,897			14,179			29,824			31,852
Interest expense		4,285			6,983			9,705			14,008
Loss on extinguishment of debt		—			—			2,161			—
Other income		(552	)		(401	)		(1,129	)		(466	)
Income before income taxes	$	14,164		$	7,597		$	19,087		$	18,310