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Summary of Significant Accounting Policies (Details) (USD $) | 3 Months Ended | 12 Months Ended |  | 3 Months Ended | 12 Months Ended |  |  | 12 Months Ended |
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Dec. 31, 2013 | Sep. 30, 2013 | Jun. 30, 2013 | Mar. 31, 2013 | Dec. 31, 2012 | Sep. 30, 2012 | Jun. 30, 2012 | Mar. 31, 2012 | Dec. 31, 2013 Distributor | Dec. 31, 2012 Distributor | Dec. 31, 2011 | Dec. 31, 2013 Olympus and Olympus-Cytori [Member] | Sep. 30, 2012 BARDA Contract [Member] | Dec. 31, 2013 BARDA Contract [Member] | Dec. 31, 2013 North America [Member] | Dec. 31, 2012 North America [Member] | Dec. 31, 2011 North America [Member] | Dec. 31, 2013 Japan [Member] | Dec. 31, 2012 Japan [Member] | Dec. 31, 2011 Japan [Member] | Dec. 31, 2013 Europe [Member] | Dec. 31, 2012 Europe [Member] | Dec. 31, 2011 Europe [Member] | Dec. 31, 2013 Other countries [Member] | Dec. 31, 2012 Other countries [Member] | Dec. 31, 2011 Other countries [Member] | Dec. 31, 2013 Revenue Recognized [Member] Customer | Dec. 31, 2012 Revenue Recognized [Member] Customer | Dec. 31, 2011 Revenue Recognized [Member] Customer | Dec. 31, 2013 Credit Concentration Risk [Member] Customer | Dec. 31, 2012 Credit Concentration Risk [Member] Customer | Dec. 31, 2011 Credit Concentration Risk [Member] Customer | Dec. 31, 2013 Warrant [Member] | Dec. 31, 2012 Warrant [Member] | Dec. 31, 2011 Warrant [Member] | Dec. 31, 2010 Warrant [Member] | Dec. 31, 2012 Patents and core technology [Member] | Dec. 31, 2013 Contractual license rights [Member] | Dec. 31, 2013 Minimum [Member] | Dec. 31, 2013 Maximum [Member] | Dec. 31, 2013 Letter of Credit [Member]
Cash and Cash Equivalents [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash and cash equivalents investments with original maturities | $ 4,644,000 |  |  |  | $ 6,145,000 |  |  |  | $ 4,644,000 | $ 6,145,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Letter of credit amount required by lease agreement |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 350,000
Restricted cash required to maintained under Lease agreement |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 350,000
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Useful lives of the assets |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3 years | 5 years |
Goodwill and Intangibles [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other intangibles, net, Beginning balance |  |  |  | 0 |  |  |  | 192,000 | 0 | 192,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other intangibles, net, Amortization |  |  |  |  |  |  |  |  | (49,000) | (192,000) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other intangibles, net, Ending balance | 9,345,000 |  |  |  | 0 |  |  |  | 9,345,000 | 0 | 192,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Goodwill, net, Beginning balance |  |  |  | 3,922,000 |  |  |  | 3,922,000 | 3,922,000 | 3,922,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Goodwill, net, Increase (Decrease) |  |  |  |  |  |  |  |  | 0 | 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Goodwill, net Ending balance | 3,922,000 |  |  |  | 3,922,000 |  |  |  | 3,922,000 | 3,922,000 | 3,922,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total goodwill and other intangibles, net | 13,267,000 |  |  |  | 3,922,000 |  |  |  | 13,267,000 | 3,922,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Useful life (in years) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 10 years | 7 years |  |  |
Identifiable intangible assets |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 9,394,000 |  |  |
Intangible Assets Arising from Insurance Contracts Acquired in Business Combination, Amortization Expense, Fiscal Year Maturity [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2014 | 67,000 |  |  |  |  |  |  |  | 67,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2015 | 352,000 |  |  |  |  |  |  |  | 352,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2016 | 673,000 |  |  |  |  |  |  |  | 673,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2017 | 1,557,000 |  |  |  |  |  |  |  | 1,557,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2018 | 3,348,000 |  |  |  |  |  |  |  | 3,348,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Thereafter | 3,348,000 |  |  |  |  |  |  |  | 3,348,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Warrant or Right [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fair value of warrants |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 | 418,000 | 209,000 | 4,360,000 |  |  |  |  |
Change in fair value of warrants |  |  |  |  |  |  |  |  | 418,000 | 209,000 | 4,360,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  |  |  |  |  |  |  |
Expected term |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 years 7 months 10 days |  |  |  |  |  |  |
Common stock market price (in dollars per share) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 2.80 |  |  |  |  |  |  |
Risk free interest rate (in hundredths) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.11% |  |  |  |  |  |  |
Expected volatility (in hundredths) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 73.88% |  |  |  |  |  |  |
Resulting fair value (per warrant) (in dollars per share) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0.20 |  |  |  |  |  |  |
Revenue Recognition [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Period of services provided subsequent to date of sale |  |  |  |  |  |  |  |  | 1 year |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of customers |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 | 1 | 1 | 2 | 2 | 2 |  |  |  |  |  |  |  |  |
Number of distributor |  |  |  |  |  |  |  |  | 1 | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Concentration risk percentage (in hundredths) |  |  |  |  |  |  |  |  | 100.00% | 100.00% | 100.00% |  |  |  | 15.00% | 13.00% | 17.00% | 30.00% | 50.00% | 40.00% | 17.00% | 23.00% | 25.00% | 38.00% | 14.00% | 18.00% | 26.00% | 12.00% | 14.00% | 55.00% | 39.00% | 27.00% |  |  |  |  |  |  |  |  |
Revenues | 2,706,000 | 1,616,000 | 1,408,000 | 1,392,000 | 3,967,000 | 1,314,000 | 1,947,000 | 1,481,000 | 7,122,000 | 8,709,000 | 7,983,000 |  |  |  | 1,079,000 | 1,143,000 | 1,347,000 | 2,109,000 | 4,352,000 | 3,202,000 | 1,240,000 | 2,004,000 | 1,973,000 | 2,694,000 | 1,210,000 | 1,461,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Research and Development Arrangements [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Deferred revenues, related party | 0 |  |  |  | 638,000 |  |  |  | 0 | 638,000 |  | 28,311,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Deferred revenue, related party, revenue recognized |  |  |  | 638,000 |  |  |  |  |  | 2,882,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Costs associated with the development device |  |  |  |  |  |  |  |  | 17,065,000 | 13,628,000 | 10,904,000 |  | 106,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Research and development arrangement with federal government, customer funding to offset costs incurred |  |  |  |  |  |  |  |  |  |  |  |  |  | 4,700,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Research and development arrangement, initial base period |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity method ownership interest in joint venture (in hundredths) | 50.00% |  |  |  |  |  |  |  | 50.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Qualifying expenses entitlement under BARDA contract |  |  |  |  |  |  |  |  | 4,700,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Qualifying expenditures related to research |  |  |  |  |  |  |  |  | $ 3,053,000 | $ 331,000 | $ 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Per Share [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Dilutive common shares excluded from the calculations of diluted loss per share (in shares) |  |  |  |  |  |  |  |  | 17,173,374 | 17,426,976 | 19,476,425 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

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- Definition Change in fair value of warrants for the period which are included in the statement of income (or changes in net assets) in operating expenses; the fair value of which was or is measured on a recurring basis using model-derived valuations in which one or more significant inputs are unobservable in active markets (Level 3). + References No definition available. + Details
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- Definition Amount of amortization expense expected to be recognized after the fifth fiscal year following the latest fiscal year for intangible assets arising from insurance contracts acquired in a business combination. + References No definition available. + Details
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