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Fair Value Measurement - Additional Information (Detail) | 3 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | ---
Jun. 30, 2015 USD ($) | Jun. 30, 2014 USD ($) | Jun. 30, 2015 USD ($) | Jun. 30, 2015 EUR (€) | Jun. 30, 2014 USD ($) | Dec. 31, 2015 USD ($) | Jun. 02, 2014 USD ($)
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |  |  |
Fair value of other assets | $ 0 |  | $ 0 |  |  |  |
Fair value of other liabilities | 0 |  | 0 |  |  |  |
Increase to milestone payment | 768,556 | $ 17,700 | 1,880,930 |  | $ 116,020 |  |
Payment of contingent considerations |  |  | 99,000 |  |  |  |
Accrued Balance |  |  |  |  |  |  | $ 1,370,000
Refine Technology, LLC |  |  |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |  |  |
Increase to milestone payment |  |  | 1,864,000 |  |  |  |
Refine Technology, LLC | Milestone Payments |  |  |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |  |  |
Payment of contingent considerations |  |  | 1,000,000 |  |  |  |
Accrued Balance |  |  |  |  |  |  | $ 1,370,000
Bio Flash | Minimum |  |  |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |  |  |
Royalty payment |  |  | 110,000 |  |  |  |
Novozymes Biopharma DK A/S Sweden Ab | Milestone Payments |  |  |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |  |  |
Payment of contingent considerations |  |  | 27,700 | € 25,000 |  |  |
Significant unobservable inputs (Level 3) | Refine Technology, LLC | Milestone Payments |  |  |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |  |  |
Increase to milestone payment |  |  | 1,864,000 |  |  |  |
Accrued Balance | $ 4,185,000 |  | $ 4,185,000 |  |  |  |
Scenario, Forecast | Significant unobservable inputs (Level 3) | Refine Technology, LLC | Milestone Payments |  |  |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |  |  |
Accrued Balance |  |  |  |  |  | $ 4,185,000 |

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