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Note 7 - Property and Equipment (Tables)
12 Months Ended
Sep. 30, 2023
Notes Tables  
Property, Plant and Equipment [Table Text Block]
   

September 30,

 
   

2023

   

2022

 

Office furniture and equipment

  $ 1,582     $ 1,432  

Machinery and equipment

    1,441       1,391  

Leasehold improvements

    2,302       2,172  

Construction in progress

    -       104  

Property and equipment, gross

    5,325       5,099  

Accumulated depreciation

    (3,774 )     (3,342 )

Property and equipment, net

  $ 1,551     $ 1,757  
   

Years Ended

 
   

September 30,

 
   

2023

   

2022

 

Depreciation expense

  $ 450     $ 403