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Note 10 - Reportable Operating Segments (Tables)
 3 Months Ended
Mar. 31, 2017
Notes Tables  
Schedule of Segment Reporting Information, by Segment [Table Text Block]
 
 
Three Months
 
 
 
Ended March 31,
 
 
 
2017
 
 
2016
 
 
 
(in thousands)
 
Operating Segment Revenues
                
Real estate
  $
7,139
    $
168
 
Leasing
   
1,586
     
1,615
 
Utilities
   
676
     
847
 
Resort amenities and other
    
282
     
346
 
Total Operating Segment Revenues
  $
9,683
    $
2,976
 
Operating Segment Income (Loss)
                
Real estate
  $
6,403
    $
(132
 )
Leasing
   
1,117
     
903
 
Utilities
   
123
     
216
 
Resort amenities and other
    
(51
 )    
149
 
Total Operating Segment Income
   $
7,592
    $
1,136