Segment and Significant Concentrations (Tables)

3 Months Ended

Mar. 31, 2016

Revenues from External Customers and Long-Lived Assets [Line Items]

Revenue Information by Segments

The following table summarizes total revenue by type (in thousands):

	Three Months Ended March 31,
	2016		2015
Revenue:
System and other revenue	$	24,284	$	18,714
Reagent and disposable revenue	120,496		113,923
Total revenue	$	144,780	$	132,637

Segment Revenue by Geography Region

The following table summarizes revenue by geographic region (in thousands):

	Three Months Ended March 31,
	2016		2015
Geographic revenue information:
North America	$	82,390	$	82,305
International	62,390		50,332
Total revenue	$	144,780	$	132,637

Schedule of Disclosure on Geographic Areas, Long-Lived Assets in Individual Foreign Countries by Country [Table Text Block]

The following table summarizes long-lived assets, excluding intangible assets and goodwill, by geographic region (in millions):

	March 31, 2016		December 31, 2015
United States	$	125,102	$	108,210
Other regions	18,867		19,429
Total long-lived assets	$	143,969	$	127,639