Condensed Consolidated Statements of Operations and Comprehensive Income (Loss) (Unaudited) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
OPERATING REVENUES
Leasing	$ 1,448,000	$ 2,167,000	$ 4,620,000	$ 6,121,000
Total operating revenues	1,697,000	2,714,000	5,441,000	7,543,000
OPERATING COSTS AND EXPENSES
Leasing	671,000	793,000	2,278,000	2,233,000
General and administrative	514,000	466,000	1,823,000	1,816,000
Share-based compensation	402,000	374,000	1,229,000	1,346,000
Depreciation	326,000	345,000	971,000	1,067,000
Total operating costs and expenses	2,151,000	2,549,000	7,651,000	8,086,000
OPERATING INCOME (LOSS)	(454,000)	165,000	(2,210,000)	(543,000)
Pension and other post-retirement expenses	(125,000)	(258,000)	(359,000)	(768,000)
Interest expense	(29,000)	(50,000)	(105,000)	(160,000)
LOSS FROM CONTINUING OPERATIONS	(608,000)	(143,000)	(1,780,000)	(1,471,000)
Income (Loss) from discontinued operations, net	(25,000)	134,000	(84,000)	187,000
NET LOSS	(633,000)	(9,000)	(1,864,000)	(1,284,000)
Other comprehensive income - pension, net	206,000	211,000	617,000	634,000
TOTAL COMPREHENSIVE INCOME (LOSS)	$ (427,000)	$ 202,000	(1,247,000)	(650,000)
Other income			$ 894,000
EARNINGS (LOSS) PER COMMON SHARE-BASIC AND DILUTED
Loss from Continuing Operations (in dollars per share)	$ (0.03)	$ (0.01)	$ (0.09)	$ (0.08)
Income (Loss) from Discontinued Operations (in dollars per share)		0.01	(0.01)	0.01
Net Loss (in dollars per share)	$ (0.03)		$ (0.10)	$ (0.07)
Real Estate [Member]
OPERATING REVENUES
Operating revenues	$ 15,000	$ 305,000	$ 173,000	$ 671,000
OPERATING COSTS AND EXPENSES
Operating Costs and Expenses	86,000	352,000	457,000	873,000
Resort Amenities and Other [Member]
OPERATING REVENUES
Operating revenues	234,000	242,000	648,000	751,000
OPERATING COSTS AND EXPENSES
Operating Costs and Expenses	$ 152,000	$ 219,000	$ 893,000	$ 751,000