Condensed Consolidated Statements of Operations and Comprehensive Income (Unaudited) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
OPERATING REVENUES
Leasing	$ 1,962,000	$ 1,436,000	$ 3,763,000	$ 3,172,000
Total operating revenues	4,950,000	1,710,000	7,009,000	3,744,000
OPERATING COSTS AND EXPENSES
Leasing	876,000	827,000	1,716,000	1,603,000
General and administrative	574,000	559,000	1,291,000	1,318,000
Share-based compensation	370,000	402,000	719,000	827,000
Depreciation	302,000	323,000	602,000	645,000
Total operating costs and expenses	2,854,000	2,472,000	5,571,000	5,500,000
OPERATING INCOME (LOSS)	2,096,000	(762,000)	1,438,000	(1,756,000)
Other income	0	894,000	13,000	894,000
Pension and other post-retirement expenses	(116,000)	(117,000)	(232,000)	(234,000)
Interest expense	(32,000)	(30,000)	(65,000)	(76,000)
INCOME (LOSS) FROM CONTINUING OPERATIONS	1,948,000	(15,000)	1,154,000	(1,172,000)
Loss from discontinued operations, net	(69,000)	(142,000)	(209,000)	(59,000)
NET INCOME (LOSS)	1,879,000	(157,000)	945,000	(1,231,000)
Other compreshensive income - pension, net	221,000	206,000	442,000	412,000
TOTAL COMPREHENSIVE INCOME (LOSS)	$ 2,100,000	$ 49,000	$ 1,387,000	$ (819,000)
EARNINGS (LOSS) PER COMMON SHARE-BASIC AND DILUTED
Income (Loss) from Continuing Operations (in dollars per share)	$ 0.10	$ 0	$ 0.06	$ (0.06)
Loss from Discontinued Operations (in dollars per share)	0	(0.01)	(0.01)	0
Net Income (Loss) (in dollars per share)	$ 0.10	$ (0.01)	$ 0.05	$ (0.06)
Real Estate [Member]
OPERATING REVENUES
Operating revenues	$ 2,700,000	$ 90,000	$ 2,700,000	$ 158,000
OPERATING COSTS AND EXPENSES
Operating Costs and Expenses	454,000	192,000	552,000	367,000
Resort Amenities and Other [Member]
OPERATING REVENUES
Operating revenues	288,000	184,000	546,000	414,000
OPERATING COSTS AND EXPENSES
Operating Costs and Expenses	$ 278,000	$ 169,000	$ 691,000	$ 740,000