Quarterly report pursuant to Section 13 or 15(d)

Real Estate and Intangible Assets - Value of Intangible Assets and Accumulated Amortization (Detail)

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Real Estate and Intangible Assets - Value of Intangible Assets and Accumulated Amortization (Detail) (USD $)
Jun. 30, 2013
Dec. 31, 2012
Finite-Lived Intangible Assets [Line Items]    
Lease Intangibles $ 482,097 $ 443,800
Accumulated Amortization (289,998) (235,740)
In-Place Leases [Member]
   
Finite-Lived Intangible Assets [Line Items]    
Lease Intangibles 286,975 286,975
Accumulated Amortization (220,717) (186,843)
Leasing Commissions [Member]
   
Finite-Lived Intangible Assets [Line Items]    
Lease Intangibles 101,935 63,638
Accumulated Amortization (24,067) (17,627)
Customer Relationships [Member]
   
Finite-Lived Intangible Assets [Line Items]    
Lease Intangibles 93,187 93,187
Accumulated Amortization $ (45,214) $ (31,270)