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Summary of Significant Accounting Policies - Company's Revenues (Detail) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Segment Reporting, Revenue Reconciling Item [Line Items]    
Refrigerant and reclamation sales $ 26,649 $ 20,487
RefrigerantSide® Services 1,518 1,616
Total $ 28,167 $ 22,103