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Deferred Preservation Costs And Inventories (Schedule Of Deferred Preservation Costs) (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
Deferred Preservation Costs [Line Items]    
Total deferred preservation costs $ 25,196cry_DeferredPreservationCosts $ 27,297cry_DeferredPreservationCosts
Cardiac Tissues [Member]    
Deferred Preservation Costs [Line Items]    
Total deferred preservation costs 10,875cry_DeferredPreservationCosts
/ us-gaap_PublicUtilitiesInventoryAxis
= cry_CardiacTissuesMember		 12,239cry_DeferredPreservationCosts
/ us-gaap_PublicUtilitiesInventoryAxis
= cry_CardiacTissuesMember
Vascular Tissues [Member]    
Deferred Preservation Costs [Line Items]    
Total deferred preservation costs $ 14,321cry_DeferredPreservationCosts
/ us-gaap_PublicUtilitiesInventoryAxis
= cry_VascularTissuesMember		 $ 15,058cry_DeferredPreservationCosts
/ us-gaap_PublicUtilitiesInventoryAxis
= cry_VascularTissuesMember