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Note 6 - Accrued Liabilities (Tables)
3 Months Ended
Dec. 31, 2022
Notes Tables  
Schedule of Accrued Liabilities [Table Text Block]
  

As of
December 31,

2022

  

As of
September 30,

2022

 

Compensation and benefits

 $559  $477 

Professional fees

  156   186 

Taxes

  127   98 

Insurance

  140   - 

Other

  337   234 

Balance at end of period

 $1,319  $995