Quarterly report pursuant to Section 13 or 15(d)

Note 4 - Stock-based Compensation (Tables)

v3.21.1
Note 4 - Stock-based Compensation (Tables)
 6 Months Ended
Mar. 31, 2021
Notes Tables  
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]
    Six months ended
    March 31, 2021
Dividend yield    
0
 %
Expected volatility    
46.9
 %
Risk-free interest rate    
0.24
 %
Expected life (years)    
5
 
Vesting period (years)    
3
  
Share-based Payment Arrangement, Option, Activity [Table Text Block]
    Number of options   Weighted average exercise price
Outstanding as of September 30, 2020    
337,100
     $
12.48
  
Granted    
105,089
      
23.74
  
Exercised    
(101,800
 )    
12.47
  
Forfeited or Expired    
(25,309
 )    
13.89
  
Outstanding as of March 31, 2021    
315,080
     $
16.13
  
Share-based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity [Table Text Block]
    Number of shares   Weighted average grant date fair value
Unvested shares as of September 30, 2020    
109,070
     $
12.97
  
Granted    
39,807
      
24.20
  
Vested    
(12,230
 )    
11.08
  
Forfeited    
(3,298
 )    
16.07
  
Unvested as of March 31, 2021    
133,349
     $
16.41