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Revenue Recognition (Details) (USD $)	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Concentration Risk [Table]
Revenues	$ 902,000us-gaap_Revenues	$ 1,031,000us-gaap_Revenues
Concentration risk percentage (in hundredths)	100.00%us-gaap_ConcentrationRiskPercentage1	100.00%us-gaap_ConcentrationRiskPercentage1
BARDA Contract [Member]
Research and Development Arrangements [Line Items]
Revenue recognized	1,400,000us-gaap_DeferredRevenueRevenueRecognized / us-gaap_ResearchAndDevelopmentArrangementContractToPerformForOthersByTypeAxis = cytx_BardaContractMember	400,000us-gaap_DeferredRevenueRevenueRecognized / us-gaap_ResearchAndDevelopmentArrangementContractToPerformForOthersByTypeAxis = cytx_BardaContractMember
Customer Concentration Risk [Member] | Revenue Recognized [Member]
Concentration Risk [Table]
Number of distributors	1cytx_NumberOfDistributors / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_SalesRevenueGoodsNetMember / us-gaap_ConcentrationRiskByTypeAxis = us-gaap_CustomerConcentrationRiskMember	3cytx_NumberOfDistributors / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_SalesRevenueGoodsNetMember / us-gaap_ConcentrationRiskByTypeAxis = us-gaap_CustomerConcentrationRiskMember
Number of customers	1cytx_NumberOfCustomers / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_SalesRevenueGoodsNetMember / us-gaap_ConcentrationRiskByTypeAxis = us-gaap_CustomerConcentrationRiskMember
Concentration risk percentage (in hundredths)	50.00%us-gaap_ConcentrationRiskPercentage1 / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_SalesRevenueGoodsNetMember / us-gaap_ConcentrationRiskByTypeAxis = us-gaap_CustomerConcentrationRiskMember	68.00%us-gaap_ConcentrationRiskPercentage1 / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_SalesRevenueGoodsNetMember / us-gaap_ConcentrationRiskByTypeAxis = us-gaap_CustomerConcentrationRiskMember
Customer Concentration Risk [Member] | Accounts Receivable [Member]
Concentration Risk [Table]
Number of distributors	2cytx_NumberOfDistributors / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_AccountsReceivableMember / us-gaap_ConcentrationRiskByTypeAxis = us-gaap_CustomerConcentrationRiskMember	2cytx_NumberOfDistributors / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_AccountsReceivableMember / us-gaap_ConcentrationRiskByTypeAxis = us-gaap_CustomerConcentrationRiskMember
Number of customers	1cytx_NumberOfCustomers / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_AccountsReceivableMember / us-gaap_ConcentrationRiskByTypeAxis = us-gaap_CustomerConcentrationRiskMember
Concentration risk percentage (in hundredths)	71.00%us-gaap_ConcentrationRiskPercentage1 / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_AccountsReceivableMember / us-gaap_ConcentrationRiskByTypeAxis = us-gaap_CustomerConcentrationRiskMember	70.00%us-gaap_ConcentrationRiskPercentage1 / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_AccountsReceivableMember / us-gaap_ConcentrationRiskByTypeAxis = us-gaap_CustomerConcentrationRiskMember
North America [Member]
Concentration Risk [Table]
Revenues	136,000us-gaap_Revenues / us-gaap_StatementGeographicalAxis = us-gaap_NorthAmericaMember	175,000us-gaap_Revenues / us-gaap_StatementGeographicalAxis = us-gaap_NorthAmericaMember
Concentration risk percentage (in hundredths)	15.00%us-gaap_ConcentrationRiskPercentage1 / us-gaap_StatementGeographicalAxis = us-gaap_NorthAmericaMember	17.00%us-gaap_ConcentrationRiskPercentage1 / us-gaap_StatementGeographicalAxis = us-gaap_NorthAmericaMember
Japan [Member]
Concentration Risk [Table]
Revenues	605,000us-gaap_Revenues / us-gaap_StatementGeographicalAxis = country_JP	644,000us-gaap_Revenues / us-gaap_StatementGeographicalAxis = country_JP
Concentration risk percentage (in hundredths)	67.00%us-gaap_ConcentrationRiskPercentage1 / us-gaap_StatementGeographicalAxis = country_JP	62.00%us-gaap_ConcentrationRiskPercentage1 / us-gaap_StatementGeographicalAxis = country_JP
Europe [Member]
Concentration Risk [Table]
Revenues	89,000us-gaap_Revenues / us-gaap_StatementGeographicalAxis = us-gaap_EuropeMember	212,000us-gaap_Revenues / us-gaap_StatementGeographicalAxis = us-gaap_EuropeMember
Concentration risk percentage (in hundredths)	10.00%us-gaap_ConcentrationRiskPercentage1 / us-gaap_StatementGeographicalAxis = us-gaap_EuropeMember	21.00%us-gaap_ConcentrationRiskPercentage1 / us-gaap_StatementGeographicalAxis = us-gaap_EuropeMember
Other countries [Member]
Concentration Risk [Table]
Revenues	$ 72,000us-gaap_Revenues / us-gaap_StatementGeographicalAxis = cytx_OtherCountriesMember	$ 0us-gaap_Revenues / us-gaap_StatementGeographicalAxis = cytx_OtherCountriesMember
Concentration risk percentage (in hundredths)	8.00%us-gaap_ConcentrationRiskPercentage1 / us-gaap_StatementGeographicalAxis = cytx_OtherCountriesMember	0.00%us-gaap_ConcentrationRiskPercentage1 / us-gaap_StatementGeographicalAxis = cytx_OtherCountriesMember

X

- Definition

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+ References

No definition available.

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+ References

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- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

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Amount of previously reported deferred or unearned revenue that was recognized as revenue during the period. Deferred revenue is a liability related to a revenue producing activity for which revenue has not yet been recognized. Generally, an entity records deferred revenue when it receives consideration from a customer before achieving certain criteria that must be met for revenue to be recognized in conformity with GAAP.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 605

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SAB TOPIC 13.A.4(a).Q1)

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Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 13

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Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.1)

-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688



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