Consolidated Statements of Cash Flows - USD ($)	12 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Cash flows used in operating activities
Net income (loss)	$ 313,000	$ (82,000)
Adjustments to reconcile net loss to net cash used in operating activities
Gain on sale of assets	(450,000)	0
Depreciation, depletion, amortization and valuation provision	9,000	7,000
Decrease (increase) in accounts receivable	2,000	(3,000)
Increase in other assets	(5,000)	(1,000)
Increase (decrease) in accounts payable	2,000	(7,000)
Decrease in other accrued expenses	0	1,000
Net cash used in operating activities	(129,000)	(85,000)
Cash flows from investing activities
Proceeds from sale of assets	450,000	0
Net cash provided by investing activities	450,000	0
Cash flows from financing activities
Acquisition of treasury stock	0	(19,000)
Net cash used in financing activities	0	(19,000)
Net increase (decrease) in cash and cash equivalents	321,000	(104,000)
Cash and cash equivalents at beginning of year	2,037,000	2,141,000
Cash and cash equivalents at end of year	2,358,000	2,037,000
Noncash Investing and Financing Activities
Retirement of treasury stock	$ 0	$ 19,000