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Note 10 - Reportable Operating Segments (Tables)
9 Months Ended
Sep. 30, 2019
Notes Tables  
Schedule of Segment Reporting Information, by Segment [Table Text Block]
   
Three Months
   
Nine Months
 
   
Ended September 30,
   
Ended September 30,
 
   
(unaudited)
   
(unaudited)
 
   
2019
   
2018
   
2019
   
2018
 
   
(in thousands)
   
(in thousands)
 
Operating Segment Revenues
                               
Real estate
  $
305
    $
66
    $
671
    $
402
 
Leasing
   
1,830
     
1,552
     
5,226
     
4,605
 
Utilities
   
1,060
     
900
     
2,737
     
2,414
 
Resort amenities and other
   
242
     
292
     
751
     
891
 
Total Operating Segment Revenues
  $
3,437
    $
2,810
    $
9,385
    $
8,312
 
Operating Segment Income (Loss)
                               
Real estate
  $
(47
)   $
(1,245
)   $
(202
)   $
(1,418
)
Leasing
   
1,246
     
932
     
3,464
     
2,701
 
Utilities
   
334
     
307
     
824
     
780
 
Resort amenities and other
   
23
     
63
     
-
     
78
 
Total Operating Segment Income
  $
1,556
    $
57
    $
4,086
    $
2,141