Note 6 - Trade Accounts and Financing Receivable (Tables)

12 Months Ended

Sep. 30, 2023

Notes Tables

Schedule of Accounts Receivable [Table Text Block]

	AS OF SEPTEMBER 30,
	2023			2022
Trade accounts receivable	$	20,282		$	13,252
Allowance for doubtful accounts		(125	)		(591	)
	$	20,157		$	12,661

Schedule of Notes Receivables [Table Text Block]

	AS OF SEPTEMBER 30,
	2023			2022
Notes receivable	$	1,216		$	8,225
Less current portion		(1,216	)		(8,225	)
Non-current notes receivable	$	—		$	—