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Note 10 - Prepaid Expenses and Other (Tables)
12 Months Ended
Sep. 30, 2021
Notes Tables  
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Table Text Block]
  

September 30,

 
  

2021

  

2020

 

Deposits for inventory

 $997  $54 

Prepaid insurance

  395   264 

Dues and subscriptions

  213   151 

Prepaid professional services

  158   - 

Prepaid commissions

  82   - 

Trade shows and travel

  95   103 

Other

  315   288 
  $2,255  $860