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Segment, Customer and Geographic Information (Tables)

9 Months Ended

Sep. 30, 2012

Segment, Customer and Geographic Information [Abstract]

Customers that accounted for more than 10% of the Company's total product revenue

The Company had the following significant customers that accounted for more than 10% of the Company’s total product revenue, all of which operate in a country outside of the United States, during the three and nine months ended September 30, 2012, and 2011 (in percentages):


		Three Months Ended								Nine Months Ended
		September 30,								September 30,
		2012				2011				2012				2011
Etablissement Francais du Sang			22	%			20	%			23	%			20	%
Movaco, S.A.			19	%			24	%			19	%			26	%
AUM+ LTD			13	%				*				*				*
Delrus Inc.				*			12	%				*				*

*	Represents an amount less than 10% of product revenue.