Annual report pursuant to Section 13 and 15(d)

Note 2 - Stock Based Compensation (Tables)

v3.22.2.2
Note 2 - Stock Based Compensation (Tables)
12 Months Ended
Sep. 30, 2022
Notes Tables  
Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]
   

Year ended
September 30,
2022

   

Year ended
September 30,
2021

   

Year ended
September 30,
2020

 

Dividend yield

    0 %     0 %     0 %

Weighted average expected volatility

    52.02 %     46.90 %     39.5 –44.9 %

Weighted average risk-free interest rate

    0.97 %     0.24 %     0.24 - 1.69 %

Weighted average expected life

 

5 years

   

5 years

   

4 - 6 years

 

Vesting period

 

3 years

   

3 years

   

3 – 5 years

 
Share-Based Payment Arrangement, Option, Activity [Table Text Block]
   

Number of
shares

   

Weighted average
exercise price

   

Weighted
average fair value

 

Outstanding as of September 30, 2019

    290,750     $ 11.86          

Granted

    121,350       12.43     $ 4.62  

Exercised

    (26,750 )     4.01          

Forfeited and expired

    (48,250 )     13.35          

Outstanding as of September 30, 2020

    337,100     $ 12.48          

Granted

    105,089       23.74     $ 8.14  

Exercised

    (101,966 )     12.47          

Forfeited and expired

    (38,709 )     13.68          

Outstanding as of September 30, 2021

    301,514     $ 16.25          

Granted

    62,730       66.48     $ 25.54  

Exercised

    (125,651 )     12.92          

Forfeited and expired

    (2,084 )     19.94          

Outstanding as of September 30, 2022

    236,509     $ 31.30          
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Exercisable [Table Text Block]

Year ended

 

Exercisable

 

Weighted average
remaining
contractual life

 

Weighted
average
exercise
price

   

Aggregate
intrinsic value (in
thousands)

 

September 30, 2022

    39,276  

2.78 years

  $ 20.26     $ 3,314  

September 30, 2021

    51,201  

2.29 years

  $ 12.28     $ 1,632  

September 30, 2020

    97,333  

2.19 years

  $ 12.76     $ 721  
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding [Table Text Block]

Year Ended

 

Number
outstanding

 

Weighted
average
remaining
contractual life

 

Weighted
average
exercise
price

   

Aggregate
intrinsic
value (in
thousands)

 

September 30, 2022

    236,509  

3.3 years

  $ 31.30     $ 17,343  

September 30, 2021

    301,514  

3.22 years

  $ 16.25     $ 8,412  

September 30, 2020

    337,100  

3.43 years

  $ 12.48     $ 721  
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, 2019

    130,440     $ 13.25  

Granted

    19,455       10.30  

Vested

    (29,950 )     13.36  

Forfeited

    (10,875 )     12.14  

Unvested shares as of September 30, 2020

    109,070     $ 12.98  

Granted

    39,807       24.20  

Vested

    (35,840 )     12.48  

Forfeited

    (4,198 )     15.45  

Unvested shares as of September 30, 2021

    108,839     $ 17.14  

Granted

    29,512       65.90  

Vested

    (37,094 )     17.78  

Forfeited

    (2,749 )     16.84  

Unvested shares as of September 30, 2022

    98,508     $ 31.51