Real Estate Assets Variable Interest Entities (Details) (USD $)	Mar. 31, 2013	Dec. 31, 2012
Property, Plant and Equipment [Line Items]
Land	$ 11,221,298	$ 11,202,876
Buildings and improvements	96,004,727	93,615,479
Carrying Value at September 30, 2012	107,226,025	104,818,355
VIE Property, Plant and Equipment, Gross	35,239,862	42,243,195
Accumulated Depreciation - VIES	(14,068,730)	(13,871,102)
VIE Property Property, Plant and Equipment, Net	21,171,132	28,372,093
Bent Tree [Member]
Property, Plant and Equipment [Line Items]
Number of Units	232	232
Land	986,000	986,000
Buildings and improvements	11,903,493	11,877,333
Carrying Value at September 30, 2012	12,889,493	12,863,333
Fairmont Oaks [Member]
Property, Plant and Equipment [Line Items]
Number of Units	178	178
Land	850,400	850,400
Buildings and improvements	8,731,346	8,713,038
Carrying Value at September 30, 2012	9,581,746	9,563,438
Lake Forest [Member]
Property, Plant and Equipment [Line Items]
Number of Units	240	240
Land	1,396,800	1,396,800
Buildings and improvements	11,371,823	11,352,854
Carrying Value at September 30, 2012	12,768,623	12,749,654
EAT (Maples on 97th [Member]
Property, Plant and Equipment [Line Items]
Number of Units		258
Land		905,000
Buildings and improvements		6,161,770
Carrying Value at September 30, 2012		$ 7,066,770