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Summary of Significant Accounting Policies (Details) (USD $) In Millions, unless otherwise specified | 3 Months Ended | 9 Months Ended
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Sep. 30, 2012 | Sep. 30, 2011 | Sep. 30, 2012 | Sep. 30, 2011
Summary of Significant Accounting Policies [Abstract] |  |  |  |
Clinical Services Reimbursement | $ 0.9 | $ 0.7 | $ 2.9 | $ 1.8
Revene Recognition Period for Cryoperservation Process |  |  | 24 hours |

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- Definition Clinical Services Reimbursement + References No definition available. + Details
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- Definition Revenue Recognition Period for Cryoperservation Process + References No definition available. + Details
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Balance Type: | na
Period Type: | duration

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- Details
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