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Note 10 - Reportable Operating Segments (Tables)
6 Months Ended
Jun. 30, 2019
Notes Tables  
Schedule of Segment Reporting Information, by Segment [Table Text Block]
   
Three Months
   
Six Months
 
   
Ended June 30,
   
Ended June 30,
 
   
2019
   
2018
   
2019
   
2018
 
   
(in thousands)
   
(in thousands)
 
Operating Segment Revenues
                               
Real estate
  $
209
    $
300
    $
366
    $
336
 
Leasing
   
1,719
     
1,558
     
3,396
     
3,053
 
Utilities
   
929
     
810
     
1,677
     
1,514
 
Resort amenities and other
   
248
     
292
     
509
     
599
 
Total Operating Segment Revenues
  $
3,105
    $
2,960
    $
5,948
    $
5,502
 
Operating Segment Income (Loss)
                               
Real estate
  $
(46
)   $
(143
)   $
(155
)   $
(173
)
Leasing
   
1,116
     
852
     
2,218
     
1,769
 
Utilities
   
343
     
290
     
490
     
473
 
Resort amenities and other
   
40
     
61
     
(24
)    
15
 
Total Operating Segment Income
  $
1,453
    $
1,060
    $
2,529
    $
2,084