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Segment, Customer and Geographic Information (Details)	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Etablissement Francais du Sang [Member]
Customers that accounted for more than 10% of the Company's total product revenue
Percentage of revenue derived from significant customer from Company's total product revenue	22.00%	20.00%	23.00%	20.00%
Movaco, S.A. [Member]
Customers that accounted for more than 10% of the Company's total product revenue
Percentage of revenue derived from significant customer from Company's total product revenue	19.00%	24.00%	19.00%	26.00%
AUM+ LTD [Member]
Customers that accounted for more than 10% of the Company's total product revenue
Percentage of revenue derived from significant customer from Company's total product revenue	13.00%	0.00%	0.00%	0.00%
Delrus Inc. [Member]
Customers that accounted for more than 10% of the Company's total product revenue
Percentage of revenue derived from significant customer from Company's total product revenue	0.00%	12.00%	0.00%	0.00%

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- Details

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- Definition

Percentage of revenue generated from a single external customer that accounts for 10 percent or more of an entity's revenues.

+ References

No definition available.

+ Details

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