Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2025	Sep. 30, 2024
Cash flows from operating activities:
Net loss	$ (9,724)	$ (6,578)
Adjustments to reconcile net loss to net cash used in operating activities:
Deferred income tax expense (benefit)	(31)	18
Rental equipment depreciation	6,176	10,859
Property, plant and equipment depreciation	3,752	3,512
Amortization of intangible assets	218	395
Intangible assets impairment expense	0	2,761
Accretion of discounts on short-term investments	(171)	(566)
Stock-based compensation expense	1,505	1,304
Provision for (recovery of) credit losses	66	(110)
Inventory obsolescence expense	3,071	589
Loss on sale of subsidiary	0	14,539
Gross profit from sale of rental equipment	(16,402)	(30,998)
(Gain) loss on disposal of property, plant and equipment	(4,679)	16
Realized gain on investments	(9)	0
Effects of changes in operating assets and liabilities:
Trade accounts and notes receivable	(4,244)	6,593
Inventories	(7,571)	(10,985)
Other assets	(1,345)	(199)
Accounts payable trade	2,353	2,746
Other liabilities	4,803	(2,979)
Net cash used in operating activities	(22,232)	(9,083)
Cash flows from investing activities:
Purchase of property, plant and equipment	(7,973)	(3,857)
Investment in rental equipment	(1,091)	(8,321)
Proceeds from the sale of property, plant and equipment	8,675	9
Proceeds from the sale of rental equipment	14,171	31,964
Purchase of short-term investments	0	(32,078)
Proceeds from the sale of short-term investments	30,407	17,338
Payment for business acquisition	(1,750)	0
Payments received on note receivable related to sale of subsidiary	253	0
Cash disposed from sale of subsidiary	0	(1,231)
Net cash provided by investing activities	42,692	3,824
Cash flows from financing activities:
Debt issuance costs	(398)	0
Purchase of treasury stock	(615)	(6,385)
Net cash used in financing activities	(1,013)	(6,385)
Increase (decrease) in cash and cash equivalents	19,443	(11,908)
Cash and cash equivalents, beginning of fiscal year	6,895	18,803
Cash and cash equivalents, end of fiscal year	26,338	6,895
Effect of exchange rate changes on cash	$ (4)	$ (264)