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Business Acquisition (Details 5) € in Millions, $ in Millions |  |  | 1 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | ---
Jun. 01, 2014 | Apr. 22, 2014 USD ($) | Apr. 30, 2014 EUR (€) | Dec. 31, 2015 USD ($) | Apr. 30, 2014 USD ($)
Note Payable To Merck |  |  |  |  |
Debt Instrument |  |  |  |  |
Debt Instrument, Face Amount |  |  | € 11.6 |  | $ 16.0
Debt Instrument, Term |  |  | 4 years |  |
Note Payable To Merck | Minimum |  |  |  |  |
Debt Instrument |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage |  |  | 3.00% | 4.00% | 3.00%
Cathay Bank | Acquisition Loan - Due April 2019 |  |  |  |  |
Debt Instrument |  |  |  |  |
Debt Instrument, Face Amount |  | $ 21.9 |  |  |
Debt Instrument, Term |  | 120 months |  |  |
Debt Instrument, Periodic Payment Terms, Balloon Payment to be Paid |  |  |  | $ 12.0 |
Debt Instrument Loan Collateral Percentage |  | 65.00% |  |  |
Debt Instrument Covenant Period To Discharge Final Judgment |  |  |  | 30 days |
Cathay Bank | Acquisition Loan - Due April 2019 | Minimum |  |  |  |  |
Debt Instrument |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage |  | 4.00% |  |  |
Merck Sharpe & Dohme's API | Cathay Bank | Acquisition Loan - Due April 2019 |  |  |  |  |
Debt Instrument |  |  |  |  |
Debt Instrument, Face Amount |  | $ 21.9 |  |  |
Debt Instrument, Maturity Date |  | Apr. 22, 2019 |  |  |
Debt Instrument, Term | 120 months |  |  |  |
Debt Instrument, Periodic Payment Terms, Balloon Payment to be Paid |  | $ 12.0 |  |  |
Debt Instrument Loan Collateral Percentage |  | 65.00% |  |  |
Merck Sharpe & Dohme's API | Cathay Bank | Acquisition Loan - Due April 2019 | Minimum |  |  |  |  |
Debt Instrument |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage |  | 4.00% |  |  |

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