Mortgages Payable Footnote Tagging (Details) - USD ($)	3 Months Ended			9 Months Ended
	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Sep. 30, 2015	Sep. 30, 2014	Dec. 31, 2014
Repayments of Long-term Debt				$ 8,213,146	$ 2,824,041
Mortgages payable	$ 68,494,688			68,494,688		$ 76,707,834
Consolidated Properties [Member]
Mortgages payable	68,500,000			68,500,000		$ 76,700,000
Woodland Park [Member]
Mortgages payable	$ 6,100,000			6,100,000
Proceeds from Notes Payable				$ 7,500,000
Debt Instrument, Interest Rate, Stated Percentage	2.80%			2.80%
Short-term Debt, Percentage Bearing Variable Interest Rate				0.20%
Maples on 97th [Member]
Mortgages payable	$ 7,400,000			$ 7,400,000
Proceeds from Sale of Property, Plant, and Equipment		$ 10,700,000	$ 10,700,000
Glynn Place [Member]
Proceeds from Sale of Property, Plant, and Equipment	5,500,000
Five Points Bank [Member]
Debt Instrument, Maturity Date				Mar. 01, 2016
Long-term Line of Credit	$ 1,400,000			$ 1,400,000
Minimum [Member] | Long-term Debt [Member]
Debt Instrument, Interest Rate, Stated Percentage	2.90%			2.90%
Debt Instrument, Maturity Date				Mar. 01, 2017
Maximum [Member] | Long-term Debt [Member]
Debt Instrument, Interest Rate, Stated Percentage	4.80%			4.80%
Debt Instrument, Maturity Date				Mar. 01, 2020