CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands	Dec. 31, 2021	Sep. 30, 2021
Current assets:
Cash and cash equivalents	$ 7,163	$ 14,066
Short-term investments	7,625	9,496
Trade accounts and financing receivables, net	19,239	17,159
Unbilled receivables	1,051	1,051
Inventories, net	19,919	16,196
Prepaid expenses and other current assets	2,118	2,062
Total current assets	57,115	60,030
Non-current financing receivables	2,106	2,938
Non-current inventories, net	13,324	18,103
Rental equipment, net	35,815	38,905
Property, plant and equipment, net	28,942	29,983
Operating right-of-use assets	1,133	1,191
Goodwill	5,072	5,072
Other intangible assets, net	6,804	7,250
Other assets	222	457
Total assets	150,533	163,929
Current liabilities:
Accounts payable trade	3,767	6,391
Contingent consideration	247	807
Operating lease liabilities	150	225
Other current liabilities	7,401	7,799
Total current liabilities	11,565	15,222
Non-current contingent consideration	2,523	5,210
Non-current operating lease liabilities	1,025	1,009
Non-current other liabilities	31	31
Total liabilities	15,144	21,472
Commitments and contingencies (Note 11)
Stockholders’ equity:
Preferred stock, 1,000,000 shares authorized, no shares issued and outstanding
Common Stock, $.01 par value, 20,000,000 shares authorized; 13,823,733 and 13,738,971 shares issued, respectively; and 12,981,741 and 12,969,542 shares outstanding, respectively	138	137
Additional paid-in capital	93,471	92,935
Retained earnings	65,742	72,510
Accumulated other comprehensive loss	(16,462)	(16,320)
Treasury stock, at cost, 841,992 and 769,429 shares, respectively	(7,500)	(6,805)
Total stockholders’ equity	135,389	142,457
Total liabilities and stockholders’ equity	$ 150,533	$ 163,929