Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2021	Sep. 30, 2020
Current assets:
Cash and cash equivalents	$ 346	$ 427
Receivables, net of allowance for doubtful accounts of $167 and $249, respectively	19,914	23,225
Other receivables	0	1,547
Contract asset	12,874	11,997
Inventories, net	12,546	15,569
Refundable income taxes	101	103
Prepaid expenses and other current assets	1,792	2,338
Total current assets	47,573	55,206
Property, plant and equipment, net	42,708	44,201
Operating lease right-of-use assets, net	15,943	17,021
Intangible assets, net	874	1,890
Goodwill	3,493	3,493
Other assets	77	137
Total assets	110,668	121,948
Current liabilities:
Current maturities of long-term debt	9,566	7,144
Revolver	8,930	12,870
Short-term operating lease liabilities	788	991
Accounts payable	9,811	14,002
Accrued liabilities	6,871	8,290
Total current liabilities	35,966	43,297
Long-term debt, net of current maturities	2,669	4,606
Long-term operating lease liabilities, net of short-term	15,439	16,188
Deferred income taxes	158	1,400
Pension liability	6,073	10,165
Other long-term liabilities	741	769
Shareholders’ equity:
Serial preferred shares, no par value, authorized 1,000 shares	0	0
Common shares, par value $1 per share, authorized 10,000 shares; issued and outstanding shares – 5,987 at September 30, 2021 and 5,916 at September 30, 2020	5,987	5,916
Additional paid-in capital	11,118	10,736
Retained earnings	41,596	42,339
Accumulated other comprehensive loss	(9,079)	(13,468)
Total shareholders’ equity	49,622	45,523
Total liabilities and shareholders’ equity	$ 110,668	$ 121,948