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Note 17 - Net Income Per Share (Tables)
12 Months Ended
Sep. 30, 2020
Notes Tables  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
   
Years Ended
 
   
September 30,
 
   
2020
   
2019
 
Net income
  $
11,874
    $
2,785
 
                 
Basic income per share
  $
0.36
    $
0.09
 
Diluted income per share
  $
0.35
    $
0.08
 
                 
Weighted average shares outstanding - basic
   
33,220,915
     
32,689,028
 
Assumed exercise of dilutive options
   
871,413
     
708,067
 
Weighted average shares outstanding - diluted
   
34,092,328
     
33,397,095
 
                 
Potentially diluted securities outstanding at period end excluded from diluted computation as the inclusion would have been antidilutive:
               
Options
   
893,750
     
573,750
 
RSU
   
-
     
-
 
Total
   
893,750
     
573,750