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Significant Customers that Accounted for More than Ten Percentage of Total Product Revenue (Detail)	3 Months Ended				9 Months Ended
	Sep. 30, 2013		Sep. 30, 2012		Sep. 30, 2013		Sep. 30, 2012
Etablissement Francais du Sang
Revenue, Major Customer [Line Items]
Percentage of revenue derived from significant customer from Company's total product revenue	20.00%		22.00%		18.00%		23.00%
Movaco, S.A.
Revenue, Major Customer [Line Items]
Percentage of revenue derived from significant customer from Company's total product revenue	19.00%		19.00%		16.00%		19.00%
Bravo Pacific Limited
Revenue, Major Customer [Line Items]
Percentage of revenue derived from significant customer from Company's total product revenue	11.00%			[1]		[1]		[1]
Advanced Technology Comp. KSC
Revenue, Major Customer [Line Items]
Percentage of revenue derived from significant customer from Company's total product revenue	10.00%			[1]		[1]		[1]
AUM+ LTD
Revenue, Major Customer [Line Items]
Percentage of revenue derived from significant customer from Company's total product revenue		[1]	13.00%			[1]		[1]
[1] Represents an amount less than 10% of product revenue.

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- Definition

Concentration Risk Percentage Of Revenues By Single Customer

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No definition available.

+ Details

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- Details

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