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Related Party Transactions (Details) (USD $)
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Related Party Transaction [Line Items]      
Sales pursuant to the License/Supply agreement $ 0us-gaap_RevenueFromRelatedParties $ 1,845,000us-gaap_RevenueFromRelatedParties $ 0us-gaap_RevenueFromRelatedParties
Olympus Corporation [Member]      
Related Party Transaction [Line Items]      
Beneficial owner, maximum ownership percentage (in hundredths) 5.00%cytx_BeneficialOwnershipPercentageMaximum
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_BeneficialOwnerMember
5.00%cytx_BeneficialOwnershipPercentageMaximum
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_BeneficialOwnerMember
5.00%cytx_BeneficialOwnershipPercentageMaximum
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_BeneficialOwnerMember
Lorem Vascular Pty. Ltd. [Member]      
Related Party Transaction [Line Items]      
Beneficial owner, maximum ownership percentage (in hundredths)   5.00%cytx_BeneficialOwnershipPercentageMaximum
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= cytx_LoremVascularMember
 
Sales pursuant to the License/Supply agreement $ 1,845,000us-gaap_RevenueFromRelatedParties
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= cytx_LoremVascularMember