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Revenue Recognition (Details) (USD $) | 3 Months Ended |  |  | 3 Months Ended
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Mar. 31, 2013 | Mar. 31, 2012 | Dec. 31, 2012 | Mar. 31, 2013 Olympus and Olympus-Cytori [Member] | Mar. 31, 2013 BARDA Contract [Member] | Sep. 30, 2012 BARDA Contract [Member] | Mar. 31, 2013 Revenue Recognized [Member] Customer | Mar. 31, 2012 Revenue Recognized [Member] Customer | Mar. 31, 2013 Credit Concentration Risk [Member] Customer | Mar. 31, 2012 Credit Concentration Risk [Member] Customer | Mar. 31, 2013 North America [Member] | Mar. 31, 2012 North America [Member] | Mar. 31, 2013 Japan [Member] | Mar. 31, 2012 Japan [Member] | Mar. 31, 2013 Europe [Member] | Mar. 31, 2012 Europe [Member] | Mar. 31, 2013 Other countries [Member] | Mar. 31, 2012 Other countries [Member]
Revenue Recognition [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Period of services provided subsequent to date of sale | 1 year |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of customers |  |  |  |  |  |  | 2 | 2 | 2 | 2 |  |  |  |  |  |  |  |
Product revenues | $ 1,392,000 | $ 1,481,000 |  |  |  |  |  |  |  |  | $ 295,000 | $ 214,000 | $ 699,000 | $ 549,000 | $ 333,000 | $ 352,000 | $ 65,000 | $ 366,000
Concentration risk percentage (in hundredths) | 100.00% | 100.00% |  |  |  |  | 42.00% | 31.00% | 62.00% | 29.00% | 21.00% | 14.00% | 50.00% | 37.00% | 24.00% | 24.00% | 5.00% | 25.00%
Research and Development Arrangements [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Deferred revenues, related party | 0 |  | 638,000 | 28,311,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Deferred revenue, related party, revenue recognized | 638,000 | 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cumulative deferred revenue recognized to date |  |  |  | 28,311,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Costs associated with the development device | 3,720,000 | 2,836,000 |  |  |  | 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 |  |  |  |  |  |  |  |  |  |  |  |  |

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- Definition The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141 -Paragraph 51 -Subparagraph g -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 86 -Paragraph 11, 12 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 985 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6501960&loc=d3e128462-111756 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 730 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6420194&loc=d3e21568-108373 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 2 -Paragraph 12, 13 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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