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Revenue Recognition (Details) (USD $)
3 Months Ended 9 Months Ended 3 Months Ended 9 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Mar. 31, 2013
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2012
Olympus and Olympus-Cytori [Member]
Sep. 30, 2012
BARDA Contract [Member]
Sep. 30, 2014
Customer Concentration Risk [Member]
Revenue Recognized [Member]
Distributor
Sep. 30, 2013
Customer Concentration Risk [Member]
Revenue Recognized [Member]
Customer
Sep. 30, 2014
Customer Concentration Risk [Member]
Accounts Receivable [Member]
Customer
Distributor
Sep. 30, 2013
Customer Concentration Risk [Member]
Accounts Receivable [Member]
Customer
Sep. 30, 2014
North America [Member]
Sep. 30, 2013
North America [Member]
Sep. 30, 2014
Japan [Member]
Sep. 30, 2013
Japan [Member]
Sep. 30, 2014
Europe [Member]
Sep. 30, 2013
Europe [Member]
Sep. 30, 2014
Other countries [Member]
Sep. 30, 2013
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 distributors               5   2                  
Number of customers                 3 1 3                
Product revenues $ 518,000 $ 1,616,000   $ 2,484,000 $ 4,416,000             $ 614,000 $ 822,000 $ 1,323,000 $ 1,892,000 $ 427,000 $ 865,000 $ 120,000 $ 837,000
Concentration risk percentage (in hundredths)       100.00% 100.00%     62.00% 39.00% 84.00% 54.00% 25.00% 19.00% 53.00% 43.00% 17.00% 19.00% 5.00% 19.00%
Research and Development Arrangements [Line Items]                                      
Deferred revenues, related party           28,311,000                          
Deferred revenue, related party, revenue recognized     638,000                                
Costs associated with the development device 3,140,000 4,123,000   12,106,000 11,992,000   106,000,000                        
Research and development arrangement with federal government, customer funding to offset costs incurred             4,700,000                        
Maximum total cost-plus fixed fee $ 12,100,000     $ 12,100,000                              
Research and development arrangement, initial base period             2 years