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Stockholders' Equity (Details) (USD $)
 1 Months Ended 9 Months Ended 1 Months Ended 12 Months Ended 1 Months Ended
Sep. 30, 2014
WarrantHolder
May 31, 2014
WarrantHolder
Sep. 10, 2014
Jun. 30, 2014
Jun. 04, 2014
Dec. 31, 2013
Sep. 30, 2014
Olympus-Cytori, Inc. Joint Venture [Member]
Sep. 30, 2013
Olympus-Cytori, Inc. Joint Venture [Member]
Jan. 31, 2013
Lazard Capital Markets, LLC [Member]
Dec. 31, 2012
Lazard Capital Markets, LLC [Member]
Dec. 31, 2013
Lorem Vascular [Member]
Closing
Dec. 31, 2013
Lorem Vascular [Member]
First Closing of Stock sale [Member]
Dec. 31, 2013
Lorem Vascular [Member]
Second Closing of Stock sale [Member]
May 31, 2014
WBB Securities, LLC [Member]
May 31, 2014
Institutional Investors [Member]
Common Stock [Abstract]                              
Proceeds from private placement of stock $ 4,000,000               $ 3,001,000 $ 20,007,000 $ 15,000,000 $ 12,000,000 $ 3,000,000   $ 10,000,000
Convertible Preferred Stock (in units)                 1,053,000 7,020,000 8,000,000 4,000,000 4,000,000   4,048,584
Common stock at a purchase price (in dollars per unit)                   $ 2.85          
Sale of stock, price per share (in dollars per share)                   $ 2.69 $ 3.00       $ 2.47
Purchase period of common stock                   30 days          
Period exercisable from the date of issuance six months and one day                            
Number of closings                     2        
Receivables from sale of stock                     9,000,000        
Number of warrant holders 13 47                          
Number of shares called by warrants (in shares) 4,032,389 3,156,238                       202,429  
Common stock, par value (in dollars per share) $ 0.001 $ 0.001       $ 0.001                  
Exercise price of warrants (in dollars per share) $ 2.00 $ 2.62 $ 1.00 $ 3.50 $ 3.00                 $ 3.09 $ 3.00
Number of holders who did not agree to Amendment   1                          
Number of shares called by warrants that expired unexercised (in shares)   38,500                          
Period in which warrants will expire   5 years                         5 years
Number of common stock available in each unit of subscription agreement (in shares)                             1
Number of warrants available in each unit of subscription agreement (in shares)                             1
Related Party Transaction [Line Items]                              
Royalty costs in connection with sales             $ 0 $ 46,000