Segment Information

3 Months Ended

Mar. 31, 2018

Segment Reporting [Abstract]

Segment Information

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 regarding the Company’s segments is provided as follows:

	Three Months Ended March 31,
(in thousands)	2018				2017
Revenues from external customers
U.S.	$	71,488			$	71,027
International	11,142				10,332
Total revenues from external customers	$	82,630		—	$	81,359
Operating income
U.S.	$	14,156			$	11,168
International	981				759
Total operating income	15,137				11,927
Interest expense	4,050				5,420
Loss on extinguishment of debt	—				2,161
Other income	(920		)		(577		)
Income before income taxes	$	12,007			$	4,923