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Note 3 - Real Estate Under Development (Tables)
 9 Months Ended
Sep. 30, 2017
Notes Tables  
Real Estate Held for Development [Table Text Block]
Property Name
Location
  
September 30, 2017
    
December 31, 2016
  
Grand Parkway Marketplace
(1)
Spring, TX
   $
41,222
     $
94,841
  
Dania Pointe
 
Dania Beach, FL
    
137,743
      
107,113
  
Promenade at Christiana
New Castle, DE
    
31,563
      
25,521
  
Owings Mills
Owings Mills, MD
    
30,746
      
25,119
  
Lincoln Square (2
)
Philadelphia, PA
    
62,022
      
-
  
Avenues Walk
(3)
Jacksonville, FL
    
48,573
      
73,048
  
Staten Island Plaza (4
)
Staten Island, NY
    
9,395
      
9,386
  
 
 
  
$
361,264
    
$
335,028