Quarterly report pursuant to Section 13 or 15(d)

Medical Equipment and Property - Additional Information (Detail)

v3.5.0.2
Medical Equipment and Property - Additional Information (Detail) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2016
Jun. 30, 2015
Property, Plant and Equipment [Abstract]        
Depreciation expense for medical equipment $ 1.6 $ 1.1 $ 3.1 $ 2.1
Total depreciation expense recorded $ 0.1 $ 0.1 $ 0.3 $ 0.2