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Note 19 - Major Customers, Suppliers and Related Information (Tables)
12 Months Ended
Sep. 30, 2022
Notes Tables  
Schedule of Revenue from External Customers Attributed to Foreign Countries by Geographic Area [Table Text Block]
   

Years ended

 
   

September 30,

 
   

2022

   

2021

 

Americas

  $ 47,129     $ 39,064  

Asia Pacific

    3,394       4,470  

Europe, Middle East and Africa

    3,512       3,469  

Total Revenues

  $ 54,035     $ 47,003  
Long-Lived Assets by Geographic Areas [Table Text Block]
   

September 30,

 
   

2022

   

2021

 

United States

  $ 11,800     $ 11,342  

Americas (excluding the United States)

    16       2,543  

Asia Pacific

    -       -  

Europe, Middle East and Africa

    446       674  
    $ 12,262     $ 14,559