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