Leases - Supplemental cash flow information (Details) - USD ($) $ in Thousands	1 Months Ended	9 Months Ended
	Apr. 30, 2025	Jun. 30, 2025	Jun. 30, 2024
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows paid for operating leases		$ 408	$ 403
Operating cash flows paid for short-term leases		24	26
Operating cash flows paid for finance leases		0	1
Cash received from subleases		(34)	(11)
Operating leases		$ 275	$ 19
Lease term	80 months
Rent payments	$ 1,200