Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Jun. 30, 2025	Jun. 30, 2024
Cash flows from operating activities:
Net income (loss)	$ (662)	$ 6,282
Adjustments to reconcile net income (loss) to net cash used in operating activities:
Deferred income tax expense (benefit)	(16)	10
Rental equipment depreciation	4,830	8,534
Property, plant and equipment depreciation	2,716	2,595
Amortization of intangible assets	112	300
Accretion of discounts on short-term investments	(169)	(415)
Stock-based compensation expense	1,200	1,029
Provision for (recovery of) credit losses	21	(84)
Inventory obsolescence expense	1,100	144
Gross profit from sale of rental equipment	(16,297)	(20,751)
(Gain) loss on disposal of property, plant and equipment	(4,708)	11
Realized gain on investments	(9)	0
Effects of changes in operating assets and liabilities:
Trade accounts and financing receivables	2,229	5,162
Inventories	(5,617)	(5,787)
Other assets	(591)	(176)
Accounts payable trade	(4,232)	(1,408)
Other liabilities	1,968	(2,973)
Net cash used in operating activities	(18,125)	(7,527)
Cash flows from investing activities:
Purchase of property, plant and equipment	(5,841)	(3,577)
Proceeds from the sale of property, plant and equipment	8,663	2
Investment in rental equipment	(1,083)	(8,181)
Proceeds from the sale of rental equipment	5,122	30,948
Purchases of short-term investments	0	(24,033)
Proceeds from the sale of short-term investments	28,408	8,750
Payments received on note receivable related to sale of subsidiary	137	0
Net cash provided by investing activities	35,406	3,909
Cash flows from financing activities:
Purchase of treasury stock	(615)	(2,999)
Net cash used in financing activities	(615)	(2,999)
Effect of exchange rate changes on cash	(2)	141
Increase (decrease) in cash and cash equivalents	16,664	(6,476)
Cash and cash equivalents, beginning of period	6,895	18,803
Cash and cash equivalents, end of period	23,559	12,327
SUPPLEMENTAL CASH FLOW INFORMATION:
Cash paid for income taxes	122	185
Financing receivable related to sale of rental equipment	11,975	0
Inventory transferred to rental equipment	$ 2,498	$ 5,765