Discontinued Operations (Details) (USD $)	3 Months Ended		6 Months Ended		0 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011	May 09, 2012 Parkway at Oak Hill Buildings
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gross sales price					$ 31,300,000
Net sale proceeds					30,500,000
Revenues:
Rental income	235,114	421,401	794,355	861,593
Tenant reimbursements	293,191	187,031	622,134	285,250
Total revenues	528,305	608,432	1,416,489	1,146,843
Expenses:
Property operating costs	228,169	345,388	595,071	645,729
Asset and property management fees:
Related-party	50,836	52,023	128,807	104,707
Other	0	0	11	0
Depreciation	77,927	259,948	374,664	514,211
Amortization	22,876	54,635	77,426	97,065
General and administrative expenses	70,928	30,913	110,180	63,846
Total expenses	450,736	742,907	1,286,159	1,425,558
Operating Income (Loss)	77,569	(134,475)	130,330	(278,715)
Gain on disposition	5,634,101	0	5,634,101	0
Income (Loss) from Discontinued Operations	$ 5,711,670	$ (134,475)	$ 5,764,431	$ (278,715)