CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2022	Sep. 30, 2021
Current assets:
Cash and cash equivalents	$ 21,415	$ 20,007
Accounts receivable, net of allowances of $115 and $142	18,648	18,698
Investment in lease, net-current portion	25	68
Inventories	5,607	3,989
Refundable income taxes	1,126	1,656
Other current assets	5,473	4,616
Total current assets	52,294	49,034
Property, equipment and improvements, net	722	764
Operating lease right-of-use assets	944	1,358
Intangibles, net	12	19
Investment in lease, net-less current portion	6	15
Long-term receivable	5,345	7,522
Cash surrender value of life insurance	5,131	4,194
Other assets	62	68
Total assets	64,516	62,974
Current liabilities:
Accounts payable and accrued expenses	13,402	13,928
Line of credit	2,999	941
Notes payable - current portion	511	757
Deferred revenue	4,669	1,893
Pension and retirement plans	404	308
Total current liabilities	21,985	17,827
Pension and retirement plans	3,559	4,097
Notes payable - noncurrent portion	443	876
Operating lease liabilities - noncurrent portion	479	821
Income taxes payable	524	524
Other noncurrent liabilities	3,050	4,783
Total liabilities	30,040	28,928
Shareholders' equity:
Common stock, $.01 par value per share; authorized, 7,500 shares; issued and outstanding 4,536 and 4,394 shares, respectively	46	45
Additional paid-in capital	19,074	18,258
Retained earnings	25,514	25,191
Accumulated other comprehensive loss	(10,158)	(9,448)
Total shareholders' equity	34,476	34,046
Total liabilities and shareholders' equity	$ 64,516	$ 62,974