Debt and Shareholders' Equity - Schedule of Long-Term Debt (Details) - USD ($)	Mar. 31, 2024	Dec. 31, 2023
Debt Instrument [Line Items]
Less debt issuance costs	$ (53,000)	$ (60,000)
Long-term mortgage payable less current maturities	23,294,000	13,105,000
Mortgage Payable - HSBC Bank N.A.
Debt Instrument [Line Items]
Mortgage payable - HSBC Bank N.A.	10,719,000	10,823,000
Less debt issuance costs	(116,000)	(120,000)
Long-term mortgage payable	10,603,000	10,703,000
Less current maturities	424,000	419,000
Long-term mortgage payable less current maturities	$ 10,179,000	$ 10,284,000