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Quantitative Information Associated With Fair Value Measurement of Contingent Consideration (Detail) - Refine Technology, LLC - USD ($) | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2016 | Dec. 31, 2014 | Jun. 02, 2014
Fair Value Inputs, Liabilities, Quantitative Information [Line Items] |  |  |
Accrued Balance | $ 952,000 | $ 1,370,000 | $ 1,370,000
Milestone Payments |  |  |
Fair Value Inputs, Liabilities, Quantitative Information [Line Items] |  |  |
Accrued Balance |  |  | $ 1,370,000
Significant unobservable inputs (Level 3) | Milestone Payments | Scenario, Actual |  |  |
Fair Value Inputs, Liabilities, Quantitative Information [Line Items] |  |  |
Fixed Earn-out | 4,250,000 |  |
Variable Earn-out | 1,300,000 |  |
Accrued Balance | $ 5,067,000 |  |

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