Debt and Stockholders' Equity - Schedule of Long-Term Debt (Details) - USD ($)	Sep. 30, 2025	Dec. 31, 2024
Debt Instrument [Line Items]
Less debt issuance costs	$ (16,000)	$ (35,000)
Long-term mortgage payable less current maturities	18,255,000	17,606,000
Mortgage Payable - HSBC Bank N.A.
Debt Instrument [Line Items]
Mortgage payable - HSBC Bank N.A.	10,099,000	10,410,000
Less debt issuance costs	(93,000)	(105,000)
Long-term mortgage payable	10,006,000	10,305,000
Less current maturities	450,000	437,000
Long-term mortgage payable less current maturities	$ 9,556,000	$ 9,868,000