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The Business - Cell Therapy Development and Manufacturing (Details) $ in Millions |  | 12 Months Ended |
--- | --- | --- | ---
Mar. 16, 2017 USD ($) | Dec. 31, 2016 client product filing | Mar. 11, 2016
Subsidiary or Equity Method Investee [Line Items] |  |  |
Equity Method Investment, Ownership Percentage |  |  | 19.90%
Subsidiary, Ownership Interest by Parent |  |  | 80.10%
PCT Allendale, LLC [Member] |  |  |
Subsidiary or Equity Method Investee [Line Items] |  |  |
Number of clients worked with (client) | client |  | 100 |
Number of products produced (product) | product |  | 20,000 |
Number of years since foundation |  | 18 years |
PCT Allendale, LLC [Member] | United States And European Union [Member] |  |  |
Subsidiary or Equity Method Investee [Line Items] |  |  |
Number of supported regulatory filings | filing |  | 50 |
Subsequent Event [Member] |  |  |
Subsidiary or Equity Method Investee [Line Items] |  |  |
Subsidiary, Ownership Interest by Parent | 80.10% |  |
Hitachi America [Member] |  |  |
Subsidiary or Equity Method Investee [Line Items] |  |  |
Equity Method Investment, Ownership Percentage |  | 19.90% | 21.00%
Hitachi America [Member] | Subsequent Event [Member] | PCT Allendale, LLC [Member] |  |  |
Subsidiary or Equity Method Investee [Line Items] |  |  |
Proceeds From Licensing Agreements | $ 75.0 |  |
Forecast [Member] | Hitachi America [Member] |  |  |
Subsidiary or Equity Method Investee [Line Items] |  |  |
Proceeds From Licensing Agreements, Initial Payment | 5.0 |  |
Proceeds From Licensing Agreements, Closing Payments | 5.0 |  |
Proceeds From Licensing Agreements, Milestone Payments | 5.0 |  |
Forecast [Member] | Hitachi America [Member] | PCT Allendale, LLC [Member] |  |  |
Subsidiary or Equity Method Investee [Line Items] |  |  |
Cumulative Revenue Threshold for Receiving Milestone Payment | $ 125.0 |  |

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