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Note 3 - Accounts Receivable
3 Months Ended
Dec. 31, 2022
Notes to Financial Statements  
Loans, Notes, Trade and Other Receivables Disclosure [Text Block]

3.   Accounts Receivable

 

Accounts receivable consist of the following:

 

  

As of
December 31,

2022

  

As of
September 30,

2022

 

Accounts receivable

 $1,767  $1,332 

Allowance for doubtful accounts

  (178

)

  (150

)

Accounts receivable, net

 $1,589  $1,182 

 

As of December 31, 2022 and September 30, 2022, no customer exceeded 10% of accounts receivable.