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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 |  |  |  |  |  |  |  |  |

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