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Segment Information - Concentrations of Risk (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025	Sep. 30, 2025
Segment Reporting Information [Line Items]
Accounts receivable, net of allowance	$ 11,356	$ 13,453	$ 11,356	$ 13,453	$ 12,000
Financing receivables, net of allowance	16,543	6,938	16,543	6,938	14,904
Customer Revenues	14,398	15,448	42,446	44,265
Customer A \| Accounts Receivable \| Customer Concentration Risk
Segment Reporting Information [Line Items]
Accounts receivable, net of allowance	1,100		$ 1,100
Concentration risk percentage			10.00%
Customer B \| Financing Receivables \| Credit Concentration Risk
Segment Reporting Information [Line Items]
Financing receivables, net of allowance	2,900		$ 2,900		$ 5,900
Concentration risk percentage			18.00%		40.00%
Customer C \| Financing Receivables \| Credit Concentration Risk
Segment Reporting Information [Line Items]
Financing receivables, net of allowance	2,200		$ 2,200		$ 200
Concentration risk percentage			13.00%		1.00%
Customer D \| Financing Receivables \| Credit Concentration Risk
Segment Reporting Information [Line Items]
Financing receivables, net of allowance	2,500		$ 2,500		$ 2,800
Concentration risk percentage			15.00%		19.00%
Customer E \| Sales Revenue, Net \| Customer Concentration Risk
Segment Reporting Information [Line Items]
Customer Revenues	$ 800	$ 0	$ 4,100	$ 0
Concentration risk percentage	6.00%	0.00%	10.00%	0.00%
Customer E \| Financing Receivables \| Credit Concentration Risk
Segment Reporting Information [Line Items]
Financing receivables, net of allowance	$ 2,400		$ 2,400		$ 800
Concentration risk percentage			15.00%		5.00%
Customer F \| Sales Revenue, Net \| Customer Concentration Risk
Segment Reporting Information [Line Items]
Customer Revenues	$ 0	$ 2,300	$ 0	$ 3,400
Concentration risk percentage	0.00%	15.00%	0.00%	8.00%
Customer G \| Financing Receivables \| Credit Concentration Risk
Segment Reporting Information [Line Items]
Financing receivables, net of allowance	$ 900		$ 900		$ 1,600
Concentration risk percentage			5.00%		11.00%