Consolidated Statements of Cash Flows - USD ($)	12 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Cash flows from operating activities:
Net loss	$ (14,209,000)	$ (11,335,000)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	9,988,000	10,766,000
Amortization and write-off of debt issuance costs	519,000	145,000
Loss on disposal of operating assets or impairment of operating assets	4,957,000	31,000
LIFO expense (income)	293,000	(482,000)
Share transactions under employee stock plan	371,000	(502,000)
Deferred income taxes	228,000	850,000
Purchase price inventory adjustment	0	266,000
Other	0	(101,000)
Goodwill impairment	0	4,164,000
Other long-term liabilities	408,000	605,000
Changes in operating assets and liabilities, net of acquisition:
Receivables	(294,000)	10,892,000
Inventories	8,093,000	(314,000)
Refundable income taxes	1,482,000	743,000
Prepaid expenses and other current assets	1,493,000	(572,000)
Other assets	(433,000)	(76,000)
Accounts payable	(2,315,000)	424,000
Accrued liabilities	1,414,000	(3,223,000)
Net cash provided by operating activities	11,995,000	12,281,000
Cash flows from investing activities:
Acquisition of business	0	275,000
Proceeds from disposal of property, plant and equipment	70,000	0
Capital expenditures	(2,339,000)	(2,349,000)
Net cash used for investing activities	(2,269,000)	(2,074,000)
Cash flows from financing activities:
Repayments of term note	(14,332,000)	(5,192,000)
Proceeds from revolving credit agreement	85,934,000	46,917,000
Repayments of revolving credit agreement	(80,128,000)	(50,667,000)
Proceeds from short-term debt borrowings	3,429,000	1,904,000
Repayments of short-term debt borrowings	(3,143,000)	(3,384,000)
Payments for debt financing	(562,000)	0
Net cash used for financing activities	(8,802,000)	(10,422,000)
Increase (decrease) in cash and cash equivalents	924,000	(215,000)
Cash and cash equivalents at beginning of year	471,000	667,000
Effects of exchange rate changes on cash and cash equivalents	4,000	19,000
Cash and cash equivalents at end of year	1,399,000	471,000
Cash (paid) received during the year:
Cash paid for interest	(1,564,000)	(1,420,000)
Cash income tax refunds received, net	1,343,000	2,897,000
Non-cash investing and financing activities:
Capital expenditures funded by capital lease borrowings	288,000	0
Additions to property, plant & equipment - incurred but not yet paid	$ 667,000	$ 256,000