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Note 9 - Stock Based Compensation (Tables)
9 Months Ended
Jun. 30, 2024
Notes Tables  
Share-Based Payment Arrangement, Option, Activity [Table Text Block]
          

Weighted-average

     
          

remaining

  

Aggregate

 
      

Weighted-average

  

contractual term

  

intrinsic value

 
  

Number of shares

  

exercise price

  

(in years)

  

(in thousands)

 

Outstanding at September 30, 2023

  41,765  $144.43   3.65  $- 

Granted

  8,000   -   -   - 

Exercised

  -   -   -   - 

Forfeited

  (2,447)  166.06   -   - 

Outstanding at June 30, 2024

  47,318   119.00   3.36   - 
                 

Exercisable at June 30, 2024

  45,651  $122.98   3.39  $-