Quarterly report pursuant to Section 13 or 15(d)

Medical Equipment and Property - Additional Information (Detail)

v3.3.0.814
Medical Equipment and Property - Additional Information (Detail) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Sep. 30, 2015
Sep. 30, 2014
Property, Plant and Equipment [Abstract]        
Depreciation expense for medical equipment $ 1.3 $ 0.9 $ 3.4 $ 2.4
Depreciation expense for property and equipment (other than medial equipment) recorded in general and administrative expenses $ 0.1 $ 0.1 $ 0.3 $ 0.2