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Summary of Significant Accounting Policies (Details) (USD $) In Millions, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2012 | Dec. 31, 2011
Property, Plant and Equipment [Line Items] |  |
Clinical Services Reimbursement | $ 3.5 | $ 2.6
Revene Recognition Period for Cryoperservation Process | 24 hours |

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