Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Mar. 31, 2023	Sep. 30, 2022
Current assets:
Cash and cash equivalents	$ 22,805	$ 16,109
Short-term investments	0	894
Trade accounts and notes receivable, net	25,908	20,886
Inventories, net	20,477	19,995
Prepaid expenses and other current assets	1,404	2,077
Total current assets	70,594	59,961
Non-current inventories, net	17,508	12,526
Rental equipment, net	20,579	28,199
Property, plant and equipment, net	22,690	26,598
Operating right-of-use assets	836	957
Goodwill	736	736
Other intangible assets, net	5,143	5,573
Other non-current assets	356	506
Total assets	138,442	135,056
Current liabilities:
Accounts payable trade	5,021	5,595
Contingent consideration	0	175
Operating lease liabilities	248	241
Other current liabilities	6,967	6,616
Total current liabilities	12,236	12,627
Non-current operating lease liabilities	654	769
Deferred tax liabilities, net	15	13
Total liabilities	12,905	13,409
Commitments and contingencies (Note 13)
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; 14,013,481 and 13,863,233 shares issued, respectively; and 13,171,489 and 13,021,241 shares outstanding, respectively	140	139
Additional paid-in capital	95,343	94,667
Retained earnings	54,194	49,654
Accumulated other comprehensive loss	(16,640)	(15,313)
Treasury stock, at cost, 841,992 shares	(7,500)	(7,500)
Total stockholders’ equity	125,537	121,647
Total liabilities and stockholders’ equity	$ 138,442	$ 135,056