Land, Property and Equipment, Net (Detail) - USD ($)	Dec. 31, 2018	Dec. 31, 2017
Property, Plant and Equipment [Line Items]
Land, property and equipment, Gross	$ 26,722,048	$ 25,677,351
Less accumulated depreciation and amortization	(14,000,966)	(11,863,045)
Land, property and equipment, net	12,721,082	13,814,306
Land [Member]
Property, Plant and Equipment [Line Items]
Land, property and equipment, Gross	3,300,000	3,300,000
Building [Member]
Property, Plant and Equipment [Line Items]
Land, property and equipment, Gross	2,326,189	2,308,247
Computer Software [Member]
Property, Plant and Equipment [Line Items]
Land, property and equipment, Gross	2,929,317	2,471,015
Furniture and Equipment [Member]
Property, Plant and Equipment [Line Items]
Land, property and equipment, Gross	11,786,345	11,557,683
Construction in Progress [Member]
Property, Plant and Equipment [Line Items]
Land, property and equipment, Gross	144,008	744,706
Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Land, property and equipment, Gross	$ 6,236,189	$ 5,295,700