Consolidated Statements of Cash Flows (Unaudited) - USD ($)	3 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Cash flows from operating activities:
Net income	$ 8,376,000	$ 12,679,000
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Deferred income tax expense	0	8,000
Rental equipment depreciation	1,884,000	3,313,000
Property, plant and equipment depreciation	867,000	822,000
Amortization of intangible assets	37,000	109,000
Amortization of premiums (accretion of discounts) on short-term investments	(104,000)	(115,000)
Stock-based compensation expense	349,000	406,000
Provision for recovery of credit losses	0	(29,000)
Inventory obsolescence expense	506,000	20,000
Gross profit from sale of rental equipment	(15,978,000)	(19,350,000)
Gain on disposal of property, plant and equipment	(86,000)	0
Realized gain on investments	(10,000)	0
Effects of changes in operating assets and liabilities:
Trade accounts and financing receivables	(3,622,000)	8,001,000
Inventories	(2,988,000)	(4,059,000)
Other assets	(196,000)	179,000
Accounts payable trade	(690,000)	(478,000)
Other liabilities	146,000	1,146,000
Net cash provided by (used in) operating activities	(11,509,000)	2,652,000
Cash flows from investing activities:
Purchase of property, plant and equipment	(3,199,000)	(779,000)
Proceeds from the sale of property, plant and equipment	89,000	0
Investment in rental equipment	(373,000)	(2,558,000)
Proceeds from the sale of rental equipment	65,000	597,000
Proceeds from the sale of short-term investments	9,660,000	0
Payments received on note receivable related to sale of subsidiary	45,000	0
Net cash provided by (used in) investing activities	6,287,000	(2,740,000)
Cash flows from financing activities:
Purchase of treasury stock	(197,000)	0
Net cash used in financing activities	(197,000)	0
Effect of exchange rate changes on cash	(66,000)	192,000
Increase (decrease) in cash and cash equivalents	(5,485,000)	104,000
Cash and cash equivalents, beginning of period	6,895,000	18,803,000
Cash and cash equivalents, end of period	1,410,000	18,907,000
SUPPLEMENTAL CASH FLOW INFORMATION:
Cash paid for income taxes	113,000	0
Accounts and financing receivables related to sale of rental equipment	16,112,000	30,048,000
Inventory transferred to rental equipment	$ 36,000	$ 593,000