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Note 18 - Segment Information (Tables)
12 Months Ended
Sep. 30, 2020
Notes Tables  
Schedule of Segment Reporting Information, by Segment [Table Text Block]
   
Revenue from
External Customers
   
Intercompany
Revenues
   
Operating
Income (loss)
   
Depreciation and
amortization expense
   
Income Tax
(Benefit) Expense
 
Hardware
  $
41,412
    $
-
    $
6,546
    $
483
    $
(5,706
)
Software
   
1,598
     
1,692
     
(505
)    
317
     
-
 
    $
43,010
    $
1,692
    $
6,041
    $
800
    $
(5,706
)
   
Long-lived assets
   
Total Assets
 
Hardware
  $
1,924
    $
66,357
 
Software
   
3,421
     
5,015
 
    $
5,345
    $
71,372
 
   
Revenue from
External Customers
   
Intercompany
Revenues
   
Operating
Income
   
Depreciation and
amortization expense
   
Income Tax
Expense
 
Hardware
  $
34,931
    $
-
    $
3,097
    $
517
    $
572
 
Software
   
2,048
     
908
     
39
     
308
     
-
 
    $
36,979
    $
908
    $
3,136
    $
825
    $
572
 
   
Long-lived assets
   
Total Assets
 
Hardware
  $
2,283
    $
42,470
 
Software
   
3,468
     
4,650
 
    $
5,751
    $
47,120