Segment Information

3 Months Ended

Mar. 31, 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
	March 31,
(in thousands)	2017			2016
Revenues from external customers
U.S.	$	71,027		$	64,933
International		10,332			11,541
Total revenues from external customers	$	81,359		$	76,474
Operating income
U.S.	$	11,168		$	11,398
International		759			6,275
Operating income		11,927			17,673
Interest expense		(5,420	)		(7,024	)
Loss on extinguishment of debt		(2,161	)		—
Other income		577			64
Income before income taxes	$	4,923		$	10,713