Balance Sheets Parenthetical (USD $)	Mar. 31, 2012	Dec. 31, 2011
Building and improvements, accumulated depreciation	$ 6,248,717	$ 5,740,531
Intangible lease assets, accumulated amortization	2,136,799	2,021,328
Deferred financing costs, accumulated amortization	517,382	413,874
Intangible lease origination costs, accumulated amortization	1,821,014	1,723,048
Deferred leasing costs, accumulated amortization	656,746	599,672
Intangible lease liabilities, accumulated amortization	$ 255,139	$ 241,923
Member shares, par value	$ 1,000	$ 1,000
Member shares, shares authorized	150,000	150,000
Member shares, shares outstanding	51,854	51,854