Property, Buildings and Equipment, Net - Schedule of Property, Buildings and Equipment (Detail) - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Property, Plant and Equipment [Line Items]
Property, buildings and equipment	$ 62,882,194	$ 62,597,679
Accumulated depreciation	(48,081,666)	(46,031,663)
Property, buildings and equipment, net	14,800,528	16,566,016
Land and Land Improvements [Member]
Property, Plant and Equipment [Line Items]
Property, buildings and equipment	8,830,867	8,830,867
Buildings and Recreational Facilities [Member]
Property, Plant and Equipment [Line Items]
Property, buildings and equipment	$ 32,093,233	32,055,525
Buildings and Recreational Facilities [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Estimated Useful Lives	10 years
Buildings and Recreational Facilities [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Estimated Useful Lives	40 years
Machinery and Equipment [Member]
Property, Plant and Equipment [Line Items]
Property, buildings and equipment	$ 21,863,715	21,592,565
Machinery and Equipment [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Estimated Useful Lives	5 years
Machinery and Equipment [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Estimated Useful Lives	15 years
Construction in Progress [Member]
Property, Plant and Equipment [Line Items]
Property, buildings and equipment	$ 94,379	$ 118,722