Quarterly report pursuant to Section 13 or 15(d)

Real Estate and Intangible Assets - Carrying Value of Lease Intangibles and Accumulated Amortization for Each Intangible Asset or Liability Class (Detail)

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Real Estate and Intangible Assets - Carrying Value of Lease Intangibles and Accumulated Amortization for Each Intangible Asset or Liability Class (Detail) - USD ($)
Jun. 30, 2015
Dec. 31, 2014
Finite-Lived Intangible Assets [Line Items]    
Below-market lease values, gross $ (371,707) $ (371,707)
Below-market lease values, accumulated (amortization) accretion 269,927 162,194
Above-Market Lease Values [Member]    
Finite-Lived Intangible Assets [Line Items]    
Finite-lived intangible assets, gross 65,203 65,203
Finite-lived intangible asset, accumulated (amortization) accretion (19,817) (9,027)
Above (Below)-Market Leases [Member]    
Finite-Lived Intangible Assets [Line Items]    
Finite-lived intangible assets, gross (306,504) (306,504)
Finite-lived intangible asset, accumulated (amortization) accretion 250,110 153,167
In-place Leases [Member]    
Finite-Lived Intangible Assets [Line Items]    
Finite-lived intangible assets, gross 1,399,490 869,207
Finite-lived intangible asset, accumulated (amortization) accretion (548,041) (263,428)
Leasing Commissions [Member]    
Finite-Lived Intangible Assets [Line Items]    
Finite-lived intangible assets, gross 634,041 357,210
Finite-lived intangible asset, accumulated (amortization) accretion (145,105) (80,617)
Tenant Relationships [Member]    
Finite-Lived Intangible Assets [Line Items]    
Finite-lived intangible assets, gross 898,128 501,670
Finite-lived intangible asset, accumulated (amortization) accretion (169,162) (66,467)
Lease Intangibles [Member]    
Finite-Lived Intangible Assets [Line Items]    
Finite-lived intangible assets, gross 2,931,659 1,728,087
Finite-lived intangible asset, accumulated (amortization) accretion $ (862,308) $ (410,512)