Schedule III - Real Estate and Accumulated Depreciation (Details 1) - USD ($)
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]    
Balance, at January 1 $ 3,594,573 $ 8,952,937
Land held for sale 0 (1,067,374)
Cost of land sold 0 (4,290,990)
Balance, at December 31 $ 3,594,573 $ 3,594,573