Segment and Geographic Reporting (Tables)

12 Months Ended

Dec. 31, 2014

Segment Reporting [Abstract]

Schedule of Revenue by Reporting Segments

Summary financial information relating to reportable segment operations is shown below. Intersegment transfers as well as intercompany assets and liabilities are excluded from the information provided (in thousands):

	For the Year Ended December 31,
	2014		2013		2012
Revenue:
U.S. Medical:
Disposable products	$	155,107	$	114,976	$	103,218
Service and other, net of allowance for sales returns	9,334		9,833		9,081
Equipment	2,958		5,317		5,137
Subtotal	167,399		130,126		117,436
International Medical:
Disposable products	29,703		23,143		19,304
Service and other, net of allowance for sales returns	2,156		1,579		1,358
Equipment	5,656		3,963		2,187
Subtotal	37,515		28,685		22,849
Total revenue	$	204,914	$	158,811	$	140,285

Schedule of Segment Reporting Information, by Segment

	U.S. Medical			International Medical		Total
2014
Interest income	$	44		$	2	$	46
Interest expense	4,098			10		4,108
Depreciation and amortization expense	15,205			1,608		16,813
Income tax (benefit) expense	(887		)	565		(322		)
Segment operating (loss) income	(39,267		)	2,317		(36,950		)
Segment net (loss) income	(42,628		)	1,727		(40,901		)
Capital expenditures	6,532			190		6,722
Total assets	$	432,151		$	34,799	$	466,950

	U.S. Medical			International Medical		Total
2013
Interest income	$	61		$	—	$	61
Interest expense	58			—		58
Depreciation and amortization expense	9,217			1,393		10,610
Income tax expense	402			378		780
Segment operating (loss) income	(1,276		)	1,670		394
Segment net (loss) income	(1,666		)	1,296		(370		)
Capital expenditures	4,406			214		4,620
Total assets	$	198,639		$	18,518	$	217,157

	U.S. Medical		International Medical		Total
2012
Interest income	$	70	$	1	$	71
Interest expense	63		—		63
Depreciation and amortization expense	8,705		1,178		9,883
Income tax expense	414		320		734
Segment operating income	1,037		1,910		2,947
Segment net income	656		1,570		2,226
Capital expenditures	3,063		16		3,079
Total assets	$	95,181	$	15,588	$	110,769

Revenue from External Customers by Products and Services

Revenue by Product Line

	For the Year Ended December 31,
(in thousands)	2014		2013		2012
Revenue
Disposable products revenue:
Vascular intervention	$	118,148	$	75,601	$	67,336
Lead management	66,662		62,518		55,186
Total disposable products revenue	184,810		138,119		122,522
Service and other, net of allowance for sales returns	11,490		11,412		10,439
Equipment	8,614		9,280		7,324
Total revenue	$	204,914	$	158,811	$	140,285