Fair Value Disclosures (Details) (USD $)	12 Months Ended
Fair Value Disclosures (Details) (USD $)	Dec. 31, 2012	Dec. 31, 2011
Assets and liabilities carried on balance sheet by caption and by level within fair valuation hierarchy
Property impairment write (up) down		$ (494,822)
Formerly owned, Vacant Phoenix, AZ Property [Member]
Assets and liabilities carried on balance sheet by caption and by level within fair valuation hierarchy
Property impairment write (up) down	142,747
Fair Value, Measurements, Nonrecurring [Member]
Assets and liabilities carried on balance sheet by caption and by level within fair valuation hierarchy
Property impairment write (up) down	142,747	(494,822)
Carrying Value	0
Fair Value, Measurements, Nonrecurring [Member] \| Formerly owned, Vacant Phoenix, AZ Property [Member]
Assets and liabilities carried on balance sheet by caption and by level within fair valuation hierarchy
Property impairment write (up) down	142,747	(390,117)
Carrying Value	0
Fair Value, Measurements, Nonrecurring [Member] \| Formerly owned Denny's, Phoenix, AZ Property [Member]
Assets and liabilities carried on balance sheet by caption and by level within fair valuation hierarchy
Property impairment write (up) down	0	(104,705)
Carrying Value	0
Fair Value, Measurements, Nonrecurring [Member] \| Level 1 [Member]
Assets and liabilities carried on balance sheet by caption and by level within fair valuation hierarchy
Carrying Value
Fair Value, Measurements, Nonrecurring [Member] \| Level 1 [Member] \| Formerly owned, Vacant Phoenix, AZ Property [Member]
Assets and liabilities carried on balance sheet by caption and by level within fair valuation hierarchy
Carrying Value
Fair Value, Measurements, Nonrecurring [Member] \| Level 1 [Member] \| Formerly owned Denny's, Phoenix, AZ Property [Member]
Assets and liabilities carried on balance sheet by caption and by level within fair valuation hierarchy
Carrying Value
Fair Value, Measurements, Nonrecurring [Member] \| Level 2 [Member]
Assets and liabilities carried on balance sheet by caption and by level within fair valuation hierarchy
Carrying Value
Fair Value, Measurements, Nonrecurring [Member] \| Level 2 [Member] \| Formerly owned, Vacant Phoenix, AZ Property [Member]
Assets and liabilities carried on balance sheet by caption and by level within fair valuation hierarchy
Carrying Value
Fair Value, Measurements, Nonrecurring [Member] \| Level 2 [Member] \| Formerly owned Denny's, Phoenix, AZ Property [Member]
Assets and liabilities carried on balance sheet by caption and by level within fair valuation hierarchy
Carrying Value
Fair Value, Measurements, Nonrecurring [Member] \| Level 3 [Member]
Assets and liabilities carried on balance sheet by caption and by level within fair valuation hierarchy
Carrying Value	0
Fair Value, Measurements, Nonrecurring [Member] \| Level 3 [Member] \| Formerly owned, Vacant Phoenix, AZ Property [Member]
Assets and liabilities carried on balance sheet by caption and by level within fair valuation hierarchy
Carrying Value	0
Fair Value, Measurements, Nonrecurring [Member] \| Level 3 [Member] \| Formerly owned Denny's, Phoenix, AZ Property [Member]
Assets and liabilities carried on balance sheet by caption and by level within fair valuation hierarchy
Carrying Value

Amount, net of accumulated depreciation, depletion and amortization, of long-lived physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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