9. Industry Segment and Geographic Information (Tables)

12 Months Ended

Dec. 31, 2015

Segment Reporting [Abstract]

Revenues by Geographic Territory

	Year ended December 31,
	2015		2014		2013
United States	$	94,840	$	81,971	$	75,997
Canada		2,062		11,655		15,114
Other countries less than 10% of revenues		48,830		47,136		40,882
Total	$	145,733	$	140,762	$	131,993

Revenue by Product Line

	2015		2014		2013
Fluid Delivery	$	60,630	$	57,905	$	51,289
Cardiovascular		46,463		43,001		40,182
Ophthalmology		18,253		19,329		20,736
Other		20,387		20,527		19,786
Total	$	145,733	$	140,762	$	131,993