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Note 1 - Significant Accounting Policies (Tables)
3 Months Ended
Mar. 31, 2020
Notes Tables  
Disaggregation of Revenue [Table Text Block]
   
Three Months Ended
March 31
,
 
   
20
20
   
201
9
 
FACILITIES:
               
Maintenance revenues
  $
992
    $
1,056
 
Equipment sales
   
137
     
97
 
Deployment and other services
   
970
     
1,737
 
Total facilities revenues
  $
2,099
    $
2,890
 
                 
SYSTEMS INTEGRATION:
               
Integration services
  $
1,725
    $
1,770
 
Reseller services
   
6,773
     
-
 
Total Systems Integration revenues
  $
8,498
    $
1,770
 
TOTAL REVENUES
  $
10,597
    $
4,660
 
Schedules of Concentration of Risk, by Risk Factor [Table Text Block]
   
Three Months Ended March 31,
 
   
2020
   
2019
 
                 
US-based IT OEM
   
94
%    
92
%