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Quantitative Information Associated With Fair Value Measurement of Contingent Consideration (Detail) - USD ($) | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014 | Jun. 02, 2014
Fair Value Inputs, Liabilities, Quantitative Information [Line Items] |  |  |  |
Accrued Balance |  |  |  | $ 1,370,000
Refine Technology, LLC |  |  |  |
Fair Value Inputs, Liabilities, Quantitative Information [Line Items] |  |  |  |
Accrued Balance |  |  | $ 1,370,000 |
Refine Technology, LLC | Milestone Payments |  |  |  |
Fair Value Inputs, Liabilities, Quantitative Information [Line Items] |  |  |  |
Accrued Balance |  |  |  | $ 1,370,000
Significant unobservable inputs (Level 3) | Refine Technology, LLC | Milestone Payments |  |  |  |
Fair Value Inputs, Liabilities, Quantitative Information [Line Items] |  |  |  |
Accrued Balance |  | $ 6,369,000 |  |
Valuation technique |  | Probability-adjusted discounted cash flow |  |
Significant unobservable inputs (Level 3) | Refine Technology, LLC | Milestone Payments | Scenario, Actual |  |  |  |
Fair Value Inputs, Liabilities, Quantitative Information [Line Items] |  |  |  |
Fixed Earn-out |  | $ 3,500,000 |  |
Variable Earn-out |  | 850,000 |  |
Accrued Balance |  | $ 4,350,000 |  |
Significant unobservable inputs (Level 3) | Refine Technology, LLC | Milestone Payments | Scenario, Forecast |  |  |  |
Fair Value Inputs, Liabilities, Quantitative Information [Line Items] |  |  |  |
Fixed Earn-out | $ 4,250,000 |  |  |
Variable Earn-out | 1,300,000 |  |  |
Accrued Balance | $ 2,019,000 |  |  |
Significant unobservable inputs (Level 3) | Refine Technology, LLC | Milestone Payments | Minimum |  |  |  |
Fair Value Inputs, Liabilities, Quantitative Information [Line Items] |  |  |  |
Periods in which milestones can be achieved |  | 2015 |  |
Significant unobservable inputs (Level 3) | Refine Technology, LLC | Milestone Payments | Maximum |  |  |  |
Fair Value Inputs, Liabilities, Quantitative Information [Line Items] |  |  |  |
Periods in which milestones can be achieved |  | 2016 |  |

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