Condensed Consolidated Statements of Cash Flows - USD ($)	3 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Cash flows used in operating activities
Net loss	$ (16,000)	$ (76,000)
Adjustments to reconcile net loss to net cash used in operating activities
Depreciation, depletion, and amortization	1,000	2,000
Changes in assets and liabilities
Decrease (increase) in accounts receivable	2,000	(4,000)
Decrease in other current assets	7,000	8,000
Increase (decrease) in accounts payable	(3,000)	3,000
Increase (decrease) in other accrued expenses	(4,000)	59,000
Operating lease	0	(1,000)
Net cash used in operating activities	(13,000)	(9,000)
Cash flows from investing activities	0	0
Cash flows from financing activities
Acquisition of treasury stock	0	(45,000)
Net cash used in financing activities	0	(45,000)
Net decrease in cash and cash equivalents	(13,000)	(54,000)
Cash and cash equivalents at beginning of period	2,232,000	2,358,000
Cash and cash equivalents at end of period	2,219,000	2,304,000
Noncash Investing and Financing Activities
Retirement of treasury stock	$ 0	$ 45,000