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Changes in Carrying Amount of Goodwill (Detail)
6 Months Ended
Jun. 30, 2016
USD ($)
Goodwill [Line Items]  
Goodwill Gross Amount, Beginning of period $ 29,647,191
Goodwill Gross Amount, End of period 35,583,191
Goodwill Accumulated Impairment Loss, Beginning of period (22,045,382)
Goodwill Accumulated Impairment Loss, End of period (22,045,382)
Goodwill, Beginning of period 7,601,809
Goodwill, End of period 13,537,809
Ninety Nine Healthcare Management Limited Liability Company  
Goodwill [Line Items]  
Goodwill, Acquisition adjustment $ 5,936,000