Condensed Consolidated Statements of Operations and Comprehensive Income Loss (Unaudited) - USD ($)	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
OPERATING REVENUES
Leasing	$ 1,801,000	$ 1,736,000
Total operating revenues	2,059,000	2,035,000
OPERATING COSTS AND EXPENSES
Leasing	840,000	776,000
General and administrative	719,000	760,000
Share-based compensation	349,000	425,000
Depreciation	300,000	323,000
Total operating costs and expenses	2,717,000	3,029,000
OPERATING LOSS	(658,000)	(994,000)
Other income	13,000
Pension and other post-retirement expenses	(116,000)	(117,000)
Interest expense	(33,000)	(46,000)
LOSS FROM CONTINUING OPERATIONS	(794,000)	(1,157,000)
Income (Loss) from discontinued operations, net	(140,000)	83,000
NET LOSS	(934,000)	(1,074,000)
Pension, net	221,000	206,000
TOTAL COMPREHENSIVE LOSS	$ (713,000)	$ (868,000)
EARNINGS (LOSS) PER COMMON SHARE-BASIC AND DILUTED
Loss from Continuing Operations (in dollars per share)	$ (0.04)	$ (0.06)
Income (Loss) from Discontinued Operations (in dollars per share)	(0.01)
Net Loss (in dollars per share)	$ (0.05)	$ (0.06)
Real Estate [Member]
OPERATING REVENUES
Operating revenues		$ 69,000
OPERATING COSTS AND EXPENSES
Operating Costs and Expenses	97,000	175,000
Resort Amenities and Other [Member]
OPERATING REVENUES
Operating revenues	258,000	230,000
OPERATING COSTS AND EXPENSES
Operating Costs and Expenses	$ 412,000	$ 570,000