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Transactions with Olympus Corporation (Tables)
6 Months Ended
Jun. 30, 2012
Transactions with Olympus Corporation [Abstract]  
Fair Value Assumptions
The following assumptions were employed in estimating the value of the Put:

June 30,
2012
December 31, 2011
 
 
Expected volatility of Cytori
77.40
%
76.07
%
Expected volatility of the Joint Venture
77.40
%
76.07
%
Bankruptcy recovery rate for Cytori
28.00
%
28.00
%
Bankruptcy threshold for Cytori
$
13,277,000
$
8,594,000
Probability of a change of control event for Cytori
3.18
%
3.33
%
Expected correlation between fair values of Cytori and the Joint Venture in the future
99.00
%
99.00
%
Risk free interest rate
1.67
%
1.89
%