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Stockholders' Equity (Details) (USD $)
 1 Months Ended 9 Months Ended 1 Months Ended 3 Months Ended 9 Months Ended 1 Months Ended 12 Months Ended
Dec. 31, 2010
Sep. 30, 2013
Sep. 30, 2012
Feb. 28, 2013
Dec. 31, 2012
Dec. 31, 2004
Feb. 29, 2012
Olympus-Cytori, Inc. Joint Venture [Member]
Sep. 30, 2013
Olympus-Cytori, Inc. Joint Venture [Member]
Sep. 30, 2012
Olympus-Cytori, Inc. Joint Venture [Member]
Sep. 30, 2013
Olympus-Cytori, Inc. Joint Venture [Member]
Sep. 30, 2012
Olympus-Cytori, Inc. Joint Venture [Member]
Sep. 30, 2013
Olympus Corporation [Member]
Dec. 31, 2012
Olympus Corporation [Member]
Dec. 31, 2010
Astellas Pharma Inc. [Member]
Dec. 19, 2012
Lazard Capital Markets, LLC [Member]
Dec. 31, 2012
Lazard Capital Markets, LLC [Member]
Common Stock [Abstract]                                
Proceeds from private placement of stock                           $ 10,000,000 $ 20,007,000 $ 3,001,000
Common stock issued (in shares)                           1,428,571 1,053,000 7,020,000
Common stock at a purchase price (in dollars per unit)                               $ 2.85
Sale of stock, price per share (in dollars per share)                           $ 7.00   $ 2.69
Deferred revenues   190,000   2,379,000 2,635,000 1,500,000               2,526,000    
Expected expiration period for recognition of deferred amount 2 years                              
Common stock, shares issued (in shares)   67,270,466     65,914,050                      
Offering price per share (in dollars per share)                           $ 7.00   $ 2.69
Proceeds from sale of common stock   3,001,000 4,946,000                          
Related Party Transaction [Line Items]                                
Beneficial owner, minimum ownership percentage (in hundredths)                       5.00% 5.00%      
Royalty costs in connection with sales               0 22,000 46,000 73,000          
Equipment purchased             $ 1,048,000