Condensed Consolidated Statements of Cash Flows - USD ($)	3 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Cash flows used in operating activities
Net loss	$ (28,000)	$ (10,000)
Adjustments to reconcile net loss to net cash used in operating activities
Depreciation, depletion, and amortization	2,000	2,000
Increase in accounts receivable	(2,000)	(1,000)
Decrease in other current assets	3,000	5,000
Decrease in accounts payable	(3,000)	(9,000)
Decrease in other accrued expenses	(6,000)	(3,000)
Net cash used in operating activities	(34,000)	(16,000)
Cash flows from investing activitites	0	0
Cash flows from financing activities	0	0
Net decrease in cash and cash equivalents	(34,000)	(16,000)
Cash and cash equivalents at beginning of period	2,141,000	2,266,000
Cash and cash equivalents at end of period	$ 2,107,000	$ 2,250,000