9. Industry Segment and Geographic Information (Tables)

12 Months Ended

Dec. 31, 2016

Segment Reporting [Abstract]

Revenues by Geographic Territory

	Year ended December 31,
	2016		2015		2014
United States	$	91,092	$	94,840	$	81,971
Canada		2,041		2,062		11,655
Other countries less than 10% of revenues		50,354		48,830		47,136
Total	$	143,487	$	145,733	$	140,762

Revenue by Product Line

	2016		2015		2014
Fluid Delivery	$	60,889	$	60,630	$	57,905
Cardiovascular		47,064		46,463		43,001
Ophthalmology		15,427		18,253		19,329
Other		20,107		20,387		20,527
Total	$	143,487	$	145,733	$	140,762