Real Estate Assets and Leases Intangibles (Net value of other intangible assets and amortization by class) (Details) (USD $)	Mar. 31, 2013	Dec. 31, 2012
Property Subject to or Available for Operating Lease [Line Items]
Lease Intangibles	$ 4,569,854	$ 4,569,854
Accumulated Amortization	(3,332,699)	(3,154,861)
Lease Intangibles, Net	1,237,155	(1,414,993)
Leases, Acquired-in-Place [Member]
Property Subject to or Available for Operating Lease [Line Items]
Lease Intangibles	2,015,459	2,015,459
Accumulated Amortization	(1,307,333)	(1,229,792)
Lease Intangibles, Net	708,126	785,667
Leasing Cost [Member]
Property Subject to or Available for Operating Lease [Line Items]
Lease Intangibles	1,448,985	1,448,985
Accumulated Amortization	(863,497)	(807,816)
Lease Intangibles, Net	585,488	641,169
Customer Relationships [Member]
Property Subject to or Available for Operating Lease [Line Items]
Lease Intangibles	332,721	332,721
Accumulated Amortization	(332,721)	(332,721)
Below Market Leases [Member]
Property Subject to or Available for Operating Lease [Line Items]
Lease Intangibles	(841,425)	(841,425)
Accumulated Amortization	44,427	(37,415)
Lease Intangibles, Net	(796,998)	(804,010)
Above Market Leases [Member]
Property Subject to or Available for Operating Lease [Line Items]
Lease Intangibles	1,614,114	1,614,114
Accumulated Amortization	(873,575)	(821,947)
Lease Intangibles, Net	$ 740,539	$ (792,167)