Note 5 - Trade Accounts and Financing Receivables (Tables)

9 Months Ended

Jun. 30, 2025

Notes Tables

Schedule of Accounts Receivable [Table Text Block]

	June 30, 2025			September 30, 2024
Trade accounts receivable	$	13,692		$	16,151
Allowance for credit losses		(24	)		(4	)
Total		13,668			16,147
Less current portion		(13,668	)		(14,637	)
Non-current trade accounts receivable	$	—		$	1,510

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

	Three Months Ended						Nine Months Ended
	June 30, 2025			June 30, 2024			June 30, 2025			June 30, 2024
Allowance for credit losses:
Beginning of period	$	21		$	67		$	4		$	125
Provision for credit losses		4			5			24			60
Recoveries		(3	)		(38	)		(3	)		(144	)
Charge-offs, net		2			—			(1	)		(7	)
Currency translation		—			1			—			1
End of period	$	24		$	35		$	24		$	35

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

	June 30, 2025			September 30, 2024
Promissory notes	$	13,087		$	12,996
Sales-type lease		12,056			—
Total financing receivables		25,143			12,996
Discount to fair value and unearned income		(933	)		(900	)
Total financing receivables, net		24,210			12,096
Less current portion		(18,640	)		(7,231	)
Non-current financing receivables	$	5,570		$	4,865