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Company's Revenues (Detail) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Sep. 30, 2013
Sep. 30, 2012
Segment Reporting, Revenue Reconciling Item [Line Items]        
Refrigerant and reclamation sales     $ 50,564 $ 48,639
RefrigerantSide® services     3,252 2,939
Total $ 15,171 $ 14,473 $ 53,816 $ 51,578