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Real Estate (Details 2) (USD $)
6 Months Ended 12 Months Ended
Jun. 30, 2012
Dec. 31, 2011
Amortization [Abstract]    
Amortization expense, in-place lease valuation $ 199,392 $ 381,670
Amortization expense, Tenant origination and absorption cost $ 2,086,995 $ 2,636,137