v3.25.1
Note 1 - Description of Business and Basis of Presentation (Tables)
6 Months Ended
Mar. 31, 2025
Notes Tables  
Schedule of Impact of Reverse Stock Split on Shares of Common Stock [Table Text Block]
  

Reported in

  

Adjustment to

  

Adjustment to

  

Total

 
  

10-K 2024

  

RSS 1:60 (February 2025)

  

RSS 1:100 (April 2025)

  

after RSSs

 

Balance, September 30, 2023, number of shares of common stock

  28,718   (28,239)  (474)  5 

Increase of common stock during fiscal year 2024

  4,548,589   (4,472,780)  (75,051)  758 

Balance, September 30, 2024, number of shares of common stock

  4,577,307   (4,501,019)  (75,525)  763