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Leases (Details Textual) (USD $)
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2012
Tenant
Property
Sep. 30, 2011
Sep. 30, 2012
Tenant
Property
Sep. 30, 2011
Dec. 31, 2011
Leases (Textual) [Abstract]          
Operating lease revenues collected     $ 765,072    
Operating percentage rents 194,000 172,000 219,000 193,000 431,000
Rents and other receivables 219,200   219,200   430,048
Rents and other receivables for unbilled percentage rents $ 219,000   $ 219,000   $ 404,000
Number of Properties leased 13   13    
Number of tenants operating base rents 3   3    
Maximum [Member]
         
Leases (Textual) [Abstract]          
Original lease terms of properties     20 years    
Minimum [Member]
         
Leases (Textual) [Abstract]          
Original lease terms of properties     5 years    
Wendgusta [Member]
         
Leases (Textual) [Abstract]          
Number of Properties leased 6   6    
Percentage of base rents from tenants     53.00%    
Wendcharles I [Member]
         
Leases (Textual) [Abstract]          
Number of Properties leased 2   2    
Percentage of base rents from tenants     14.00%    
Wendcharles II [Member]
         
Leases (Textual) [Abstract]          
Number of Properties leased 1   1    
Percentage of base rents from tenants     7.00%