Quarterly report pursuant to Section 13 or 15(d)

Medical Equipment and Property - Summary of Medical Equipment (Detail)

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Medical Equipment and Property - Summary of Medical Equipment (Detail) - USD ($)
$ in Thousands
Sep. 30, 2016
Dec. 31, 2015
Medical Equipment And Property [Abstract]    
Medical equipment held for sale or rental $ 1,610 $ 2,277
Medical Equipment in rental service 59,480 53,681
Medical Equipment in rental service - pump reserve (485) (232)
Accumulated depreciation (29,323) (25,612)
Medical Equipment in rental service - net 29,672 27,837
Total $ 31,282 $ 30,114