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Note 9 - Prepaid Expenses and Other (Tables)
12 Months Ended
Sep. 30, 2022
Notes Tables  
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Table Text Block]
   

September 30,

 
   

2022

   

2021

 

Deposits for inventory

  $ 461     $ 997  

Prepaid insurance

    360       395  

Dues and subscriptions

    182       213  

Prepaid professional services

    -       158  

Prepaid commissions

    228       82  

Trade shows and travel

    471       95  

Canadian goods and services and harmonized sales tax receivable

    1,631       -  

Other

    244       315  
    $ 3,577     $ 2,255