Quarterly report pursuant to Section 13 or 15(d)

Medical Equipment and Property - Additional Information (Detail)

v3.6.0.2
Medical Equipment and Property - Additional Information (Detail) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Property, Plant and Equipment [Abstract]        
Depreciation expense for medical equipment $ 1.6 $ 1.3 $ 4.7 $ 3.4
Total depreciation expense recorded $ 0.1 $ 0.1 $ 0.4 $ 0.3