Accounts Payable and Accrued Expenses (Details) - USD ($)	Dec. 31, 2021	Dec. 31, 2020
Accounts payable and accrued expenses consisted of:
Accounts payable	$ 0	$ 3,000
Accrued audit, review and tax expense	3,000	3,000
Accrued debenture fees	153,000	153,000
Accrued miscellaneous	1,000	1,000
Total	157,000	160,000
Accrued real estate taxes consisted of:
Current	4	4
Delinquent	1	0
Accrued real estate taxes	$ 5	$ 4