Other Assets - Summary of Other Assets (Detail) - USD ($)	Sep. 30, 2017	Dec. 31, 2016
Other Assets [Abstract]
Real estate assets owned	$ 281,200	$ 734,727
Fixed assets, net	83,849	109,938
Prepaid expenses and other assets	288,250	203,738
Other Assets	$ 653,299	$ 1,048,403