Property Buildings and Equipment - Schedule of Property, Buildings and Equipment (Detail) (USD $)	Jun. 30, 2014	Dec. 31, 2013
Property, Plant and Equipment [Line Items]
Property, buildings and equipment	$ 57,574,953	$ 56,236,498
Less accumulated depreciation	(37,814,992)	(36,886,645)
Property, buildings and equipment, net	19,759,961	19,349,853
Land and Land Improvements [Member]
Property, Plant and Equipment [Line Items]
Property, buildings and equipment	7,623,070	7,623,070
Buildings and Recreational Facilities [Member]
Property, Plant and Equipment [Line Items]
Property, buildings and equipment	30,570,148	30,551,220
Machinery and Equipment [Member]
Property, Plant and Equipment [Line Items]
Property, buildings and equipment	17,957,959	17,368,327
Construction in Progress [Member]
Property, Plant and Equipment [Line Items]
Property, buildings and equipment	$ 1,423,776	$ 693,881