Condensed Consolidated Statements of Cash Flows - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Cash flows from operating activities:
Income from continuing operations	$ 707,000	$ 654,000	$ 1,192,000	$ 1,024,000
Adjustments to reconcile income from continuing operations to net cash provided by operating activities, continuing operations:
Depreciation			43,000	43,000
Deferred income taxes	(47,000)	(43,000)	(70,000)	(75,000)
Income taxes			136,000	90,000
Other, net changes in prepaids, property tax payable and other			215,000	255,000
Net cash provided by operating activities, continuing operations			1,516,000	1,337,000
Cash flows from investing activities:
Purchase of investments			(1,000,000)
Discontinued operations:
Cash used to settle obligations			(20,000)	(111,000)
Noncash adjustment to gain on sale of discontinued operations				(17,000)
Net cash used in investing activities, discontinued operations			(20,000)	(94,000)
Cash used in investing activities			(1,020,000)	(94,000)
Cash flows used in financing activities, payment of dividends			(924,000)	(924,000)
Increase (decrease) in cash and cash equivalents			(428,000)	319,000
Cash and cash equivalents, beginning			1,476,000	1,443,000
Cash and cash equivalents, ending	$ 1,048,000	$ 1,762,000	1,048,000	1,762,000
Supplemental disclosure:
Cash paid for income taxes			$ 372,000	$ 338,000