Consolidated Condensed Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Cash flows from operating activities:
Net income (loss)	$ 2,993	$ (1,342)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	1,825	1,856
Amortization of debt issuance cost	26	26
Gain on insurance proceeds received	(2,495)	0
LIFO effect	128	22
Share transactions under company stock plan	127	150
Other long-term liabilities	13	(114)
Deferred income taxes	(950)	(95)
Changes in operating assets and liabilities:
Receivables	2,529	2,664
Contract assets	71	(152)
Inventories	(877)	(1,624)
Refundable income taxes	0	10
Prepaid expenses and other current assets	144	(284)
Other assets	77	(351)
Accounts payable	982	(3,314)
Other accrued liabilities	(1,620)	1,592
Accrued income and other taxes	150	(9)
Net cash provided by (used for) operating activities	3,123	(965)
Cash flows from investing activities:
Insurance proceeds received	3,452	3,500
Capital expenditures	(3,710)	(2,303)
Net cash provided by (used for) investing activities	(258)	1,197
Cash flows from financing activities:
Payments on long-term debt	(238)	(336)
Proceeds from revolving credit agreement	23,970	31,809
Repayments of revolving credit agreement	(27,694)	(30,714)
Short-term debt borrowings	2,431	981
Short-term debt repayments	(606)	(1,891)
Net cash used for financing activities	(2,137)	(151)
Increase in cash and cash equivalents	728	81
Cash and cash equivalents at the beginning of the period	427	341
Effect of exchange rate changes on cash and cash equivalents	25	7
Cash and cash equivalents at the end of the period	1,180	429
Supplemental disclosure of cash flow information of operations:
Cash paid for interest	(106)	(181)
Cash paid for income taxes, net	$ (11)	$ (10)