Note 7 - Trade Accounts and Notes Receivable (Tables)

12 Months Ended

Sep. 30, 2024

Notes Tables

Schedule of Accounts Receivable [Table Text Block]

	AS OF SEPTEMBER 30,
	2024			2023
Trade accounts receivable	$	16,151		$	20,282
Allowance for credit losses		(4	)		(125	)
Total		16,147			20,157
Less current portion		(14,637	)		(20,157	)
Non-current trade accounts receivable	$	1,510		$	—

Accounts Receivable, Allowance for Credit Loss [Table Text Block]

	AS OF SEPTEMBER 30,
	2024			2023
Allowance for credit losses:
Beginning of period		125			591
Provision for credit losses		65			428
Recoveries		(175	)		(566	)
Write-offs		(11	)		(303	)
Currency translation		—			(25	)
End of period	$	4		$	125

Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]

	AS OF SEPTEMBER 30,
	2024			2023
Notes receivable	$	12,996		$	1,216
Discount to fair value		(900	)		—
	12,096			1,216
Less current portion		(7,231	)		(1,216	)
Non-current notes receivable	$	4,865		$	—