Segment Reporting (Tables)

9 Months Ended

Sep. 30, 2013

Segment Reporting [Abstract]

Operating Results and Reconciliation of Segment Profit to Loss from Operations

Operating results for each segment and a reconciliation of segment profit (loss) to loss from operations are as follows:

	Years Ended December 31,									Nine Months Ended September 30,
	2010			2011			2012			2012			2013
	(In thousands)
										(Unaudited)
Product revenue:
Instruments	$	6,472		$	7,112		$	8,786		$	6,262		$	7,226
Consumables		5,034			9,997			13,036			9,325			12,380
Service revenue		224			691			1,151			893			1,148
Total life sciences segment		11,730			17,800			22,973			16,480			20,754
Diagnostics segment
Instruments		—			—			—			—			488
Consumables		—			—			—			—			41
Total diagnostics segment		—			—			—			—			529
Total revenue		11,730			17,800			22,973			16,480			21,283
Selling, general and administrative expenses:
Life sciences segment		4,806			5,304			7,175			5,174			7,869
Diagnostics segment		—			—			2,378			1,486			3,993
Life sciences segment profit		6,924			12,496			15,798			11,306			12,885
Diagnostic segment loss		—			—			(2,378	)		(1,486	)		(3,464	)
Total segment profit		6,924			12,496			13,420			9,820			9,421
Adjustments:
Cost of revenue		(9,128	)		(9,777	)		(12,361	)		(9,076	)		(10,188	)
Research and development expenses		(7,547	)		(8,990	)		(11,635	)		(8,253	)		(10,469	)
Unallocated selling, general and administrative expenses		(3,221	)		(4,225	)		(5,933	)		(3,928	)		(8,960	)
Loss from operations	$	(12,972	)	$	(10,496	)	$	(16,509	)	$	(11,437	)	$	(20,196	)

Classification of Revenue by Geography

The following table is based on the geographic location of distributors or end users who purchased products and services. For sales to distributors, their geographic location may be different from the geographic locations of the ultimate end user. Revenue by geography was as follows:

	Years Ended December 31,						Nine Months Ended September 30,
	2010		2011		2012		2012		2013
	(In thousands)
							(Unaudited)
North America	$	10,643	$	14,044	$	15,906	$	11,809	$	15,028
Europe & Middle East		909		2,918		4,167		2,863		3,702
Asia Pacific		178		838		2,900		1,808		2,553
Total revenue	$	11,730	$	17,800	$	22,973	$	16,480	$	21,283