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

June 30,

  

September 30,

 
  

2022

  

2021

 

Deposits for inventory

 $68  $997 

Prepaid insurance

  470   395 

Dues and subscriptions

  154   213 

Prepaid professional services

  23   158 

Prepaid commissions

  193   82 

Trade shows and travel

  122   95 

Other

  203   315 
  $1,233  $2,255