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Note 6 - Accrued Liabilities (Tables)
9 Months Ended
Jun. 30, 2022
Notes Tables  
Schedule of Accrued Liabilities [Table Text Block]
   

As of
June 30,

2022

   

As of
September 30,

2021

 

Compensation and benefits

  $ 397     $ 541  

Professional fees

    135       81  

Taxes

    77       84  

Insurance

    18       -  

Other

    150       202  

Balance at end of period

  $ 777     $ 908