Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Mar. 31, 2024	Sep. 30, 2023
Current assets:
Cash and cash equivalents	$ 20,762	$ 18,803
Short-term investments	30,448	14,921
Trade accounts and note receivable, net	15,330	21,373
Inventories, net	23,932	18,430
Prepaid expenses and other current assets	1,611	2,251
Total current assets	92,083	75,778
Non-current inventories, net	18,141	24,888
Rental equipment, net	15,077	21,587
Property, plant and equipment, net	24,552	24,048
Non-current trade accounts receivable	1,510	0
Operating right-of-use assets	590	714
Goodwill	736	736
Other intangible assets, net	4,601	4,805
Other non-current assets	408	486
Total assets	157,698	153,042
Current liabilities:
Accounts payable trade	4,955	6,659
Operating lease liabilities	257	257
Other current liabilities	9,863	12,882
Total current liabilities	15,075	19,798
Non-current operating lease liabilities	397	512
Deferred tax liabilities, net	32	16
Total liabilities	15,504	20,326
Commitments and contingencies (Note 11)
Stockholders’ equity:
Preferred stock, 1,000,000 shares authorized, no shares issued and outstanding	0	0
Common Stock, $.01 par value, 20,000,000 shares authorized; 14,204,082 and 14,030,481 shares issued, respectively; and 13,362,090 and 13,188,489 shares outstanding, respectively	142	140
Additional paid-in capital	96,800	96,040
Retained earnings	70,212	61,860
Accumulated other comprehensive loss	(17,460)	(17,824)
Treasury stock, at cost, 841,992 shares	(7,500)	(7,500)
Total stockholders’ equity	142,194	132,716
Total liabilities and stockholders’ equity	$ 157,698	$ 153,042