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Note 8 - Segment Reporting (Tables)
3 Months Ended
Mar. 31, 2020
Notes Tables  
Schedule of Segment Reporting Information, by Segment [Table Text Block]
   
Three Months
Ended
March 31,
 
   
20
20
   
201
9
 
Revenues:                
Facilities
  $
2,099
    $
2,890
 
Systems integration services
   
8,498
     
1,770
 
Total revenues
  $
10,597
    $
4,660
 
Income (loss) from operations:                
Facilities
  $
19
    $
510
 
Systems integration services
   
(296
)    
(460
)
Total income (loss) from operations
  $
(277
)   $
50
 
Depreciation expense:
               
Facilities
  $
51
    $
32
 
Systems integration services
   
45
     
26
 
Consolidated depreciation expense
  $
96
    $
58
 
Interest expense                
Facilities
  $
44
    $
60
 
Systems integration services
   
38
     
49
 
Consolidated interest expense
  $
82
    $
109
 
   
 
March 31,
20
20
   
 
December 31,
2019
 
Total Assets                
Facilities
  $
1,026
    $
939
 
System integration services
   
1,955
     
6,120
 
Other consolidated activities
   
7,140
     
10,508
 
Total consolidated assets
  $
10,121
    $
17,567