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Note 16 - Stockholders' Equity (Tables)
3 Months Ended
Dec. 31, 2022
Notes Tables  
Schedule of Stockholders Equity [Table Text Block]
                                   

Accumulated

         
   

Common Stock

   

Additional

           

Other

   

Total

 
   

Shares

   

Par Value

Amount

   

Paid-in

Capital

   

Accumulated

Deficit

   

Comprehensive

Loss

   

Stockholders'

Equity

 

Balance as of September 30, 2022

    36,611,240       366       108,551       (57,366 )     (792 )     50,393  

Share-based compensation expense

    -       -       420       -       -       420  

Issuance of common stock upon exercise of stock options, net

    20,000       -       32       -       -       32  

Issuance of common stock upon vesting of restricted stock units

    12,667       -       -       -       -       -  

Release of obligation to issue commons stock

    69,564       1       -       -               -  

Accumulated other comprehensive loss

    -       -       -       -       266       266  

Net loss

    -       -       -       (3,507 )             (3,507 )

Balance as of December 31, 2022

    36,713,471       367       109,003       (60,873 )     (526 )     47,604  
                                   

Accumulated

         
   

Common Stock

   

Additional

           

Other

   

Total

 
   

Shares

   

Par Value

Amount

   

Paid-in

Capital

   

Accumulated

Deficit

   

Comprehensive

Loss

   

Stockholders'

Equity

 

Balance as of September 30, 2021

    36,403,833     $ 364     $ 107,110     $ (41,154 )   $ 2     $ 65,958  

Share-based compensation expense

    -       -       558       -       -       558  

Issuance of common stock upon exercise of stock options, net

    15,000       -       46       -       -       46  

Stock buyback

    (116,868 )     (1 )     (441 )     -       -       (441 )

Release of obligation to issue commons stock

    69,564       -       -       -       -       -  

Accumulated other comprehensive loss

    -       -       -       -       (85 )     (85 )

Net loss

    -       -       -       (1,305 )     -       (1,305 )

Balance as of December 31, 2021

    36,371,529       363     $ 107,273     $ (42,459 )   $ (83 )   $ 64,731