Accounts Payable and Accrued Expenses (Details) - USD ($)	Dec. 31, 2022	Dec. 31, 2021
Accounts payable and accrued expenses consisted of:
Accounts payable	$ 7,000	$ 0
Accrued audit, review and tax expense	0	3,000
Accrued debenture fees	0	153,000
Accrued miscellaneous	0	1,000
Total	7,000	157,000
Accrued real estate taxes consisted of:
Current	0	4
Delinquent	0	1
Accrued real estate taxes	$ 0	$ 5