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