Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2024	Sep. 30, 2023
Cash flows from operating activities:
Net income (loss)	$ (6,578)	$ 12,206
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Deferred income tax expense	18	3
Rental equipment depreciation	10,859	11,766
Property, plant and equipment depreciation	3,512	3,704
Amortization of intangible assets	395	768
Intangible assets impairment expense	2,761	0
Accretion of discounts on short-term investments	(566)	(144)
Stock-based compensation expense	1,304	1,374
Provision for (recovery of) credit losses	(110)	(138)
Inventory obsolescence expense	589	2,229
Loss on sale of subsidiary	14,539	0
Realized foreign currency translation gain from dissolution of foreign subsidiary	0	38
Gross profit from sale of rental equipment	(30,998)	(4,424)
Effects of changes in operating assets and liabilities:
Trade accounts and notes receivable	6,593	(5,561)
Inventories	(10,985)	(11,026)
Other assets	(199)	442
Accounts payable trade	2,746	41
Other liabilities	(2,979)	5,351
Net cash provided by (used in) operating activities	(9,083)	15,558
Cash flows from investing activities:
Purchase of property, plant and equipment	(3,857)	(3,964)
Investment in rental equipment	(8,321)	(9,920)
Proceeds from the sale of property, plant and equipment	9	4,406
Proceeds from the sale of rental equipment	31,964	11,478
Purchase of short-term investments	(32,078)	(24,782)
Proceeds from the sale of short-term investments	17,338	10,900
Cash disposed from sale of subsidiary	(1,231)	0
Net cash provided by (used in) investing activities	3,824	(11,882)
Cash flows from financing activities:
Payments of contingent consideration	0	(175)
Debt issuance costs	0	(350)
Purchase of treasury stock	(6,385)	0
Net cash used in financing activities	(6,385)	(525)
Effect of exchange rate changes on cash	(264)	(457)
Increase (decrease) in cash and cash equivalents	(11,908)	2,694
Cash and cash equivalents, beginning of fiscal year	18,803	16,109
Cash and cash equivalents, end of fiscal year	6,895	18,803
Equipment [Member]
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Loss (gain) on disposal of property and equipment	16	244
Satellite Property [Member]
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Loss (gain) on disposal of property and equipment	$ 0	$ (1,315)