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Note 8 - Property and Equipment, Net (Tables)
6 Months Ended
Mar. 31, 2024
Notes Tables  
Property, Plant and Equipment [Table Text Block]
   

March 31,

   

September 30,

 
   

2024

   

2023

 

Office furniture and equipment

  $ 1,622     $ 1,582  

Machinery and equipment

    1,480       1,441  

Leasehold improvements

    2,294       2,302  

Construction in progress

    71       -  

Property and equipment, gross

    5,467       5,325  

Accumulated depreciation

    (3,984 )     (3,774 )

Property and equipment, net

  $ 1,483     $ 1,551