Note 5 - Trade Accounts and Notes Receivable (Tables)

6 Months Ended

Mar. 31, 2023

Notes Tables

Schedule of Accounts Receivable [Table Text Block]

	March 31, 2023			September 30, 2022
Trade accounts receivable	$	21,631		$	13,252
Allowance for doubtful accounts		(706	)		(591	)
Total	$	20,925		$	12,661

Schedule of Notes Receivables [Table Text Block]

	March 31, 2023			September 30, 2022
Notes receivable	$	4,983		$	8,225
Less current portion		(4,983	)		(8,225	)
Non-current notes receivable	$	—		$	—