XML 29 R20.htm IDEA: XBRL DOCUMENT v3.8.0.1
Note 7 - Intangible Assets (Tables)
 3 Months Ended
Dec. 31, 2017
Notes Tables  
Schedule of Finite-Lived Intangible Assets [Table Text Block]
Intangible Assets
   
December 31
, 2017
    
September 30, 201
7
  
   
Customer Relationships
    
Developed Technology
    
 
Total
    
Customer Relationships
    
Developed Technology
    
 
Total
  
                                                 
Gross intangibles
   $
21,950,000
     $
2,525,000
     $
24,475,000
     $
21,950,000
     $
2,525,000
     $
24,475,000
  
Accumulated amortization
    
(20,130,000
 )    
(2,349,000
 )    
(22,479,000
 )    
(19,174,000
 )    
(2,243,000
 )    
(21,417,000
 )
    $
1,820,000
     $
176,000
     $
1,996,000
     $
2,776,000
     $
282,000
     $
3,058,000