Prepaid And Other Assets (Details) - USD ($)	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2009	Feb. 05, 2007
Prepaid And Other Assets [Abstract]
Prepaid expenses	$ 1,813,000	$ 1,859,000
Prepaid taxes	802,000	1,687,000
Deposits	249,000	233,000
Interest receivable		8,000
Investments in marketable securities	17,000	17,000
Total prepaid and other current assets	2,881,000	3,804,000
Other non-cinema and non-rental real estate assets	674,000	1,134,000
Investment in Reading International Trust I	838,000	838,000	$ 838,000	$ 1,500,000
Straight-line rent asset	7,445,000	8,302,000
Long-term deposits	8,000	10,000
Total non-current assets	$ 8,965,000	$ 10,284,000