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Summary of Significant Accounting Policies - Company's Revenues (Detail) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Segment Reporting, Revenue Reconciling Item [Line Items]        
Refrigerant and reclamation sales     $ 94,353 $ 69,032
RefrigerantSide® Services     3,348 3,390
Total $ 34,930 $ 21,682 $ 97,701 $ 72,422