Unaudited Consolidated Statements of Operations - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Revenues:
Total revenues	$ 6,365,000	$ 6,849,000	$ 12,067,000	$ 19,802,000
Costs and Expenses:
Total expenses	8,144,000	9,956,000	17,602,000	22,726,000
Operating (loss) gain	(1,779,000)	(3,107,000)	(5,535,000)	(2,924,000)
Other (Loss) Income:
Investment income	95,000	120,000	198,000	238,000
Other (loss) income	(149,000)	37,000	31,000	88,000
Total other (loss) income	(54,000)	157,000	229,000	326,000
(Loss) income from operations before equity in earnings of unconsolidated joint ventures	(1,833,000)	(2,950,000)	(5,306,000)	(2,598,000)
Equity in earnings of unconsolidated joint ventures, net	1,560,000	1,842,000	1,788,000	3,297,000
(Loss) Income before income tax expense	(273,000)	(1,108,000)	(3,518,000)	699,000
Income tax (benefit) expense	(272,000)	(380,000)	(1,604,000)	232,000
Net (loss) income	(1,000)	(728,000)	(1,914,000)	467,000
Net loss attributable to non-controlling interest	(27,000)	(40,000)	(38,000)	(54,000)
Net (loss) income attributable to common stockholders	$ 26,000	$ (688,000)	$ (1,876,000)	$ 521,000
Net income (loss) per share attributable to common stockholders, basic, (in dollars per share)	$ 0.00	$ (0.03)	$ (0.09)	$ 0.03
Net income (loss) per share attributable to common stockholders, diluted, (in dollars per share)	$ 0.00	$ (0.03)	$ (0.09)	$ 0.03
Real estate - commercial/industrial
Other (Loss) Income:
Equity in earnings of unconsolidated joint ventures, net	$ 1,560,000	$ 1,842,000	$ 1,788,000	$ 3,297,000
(Loss) Income before income tax expense	2,143,000	2,287,000	2,817,000	4,217,000
Mineral resources
Other (Loss) Income:
(Loss) income from operations before equity in earnings of unconsolidated joint ventures	990,000	1,387,000	1,667,000	5,434,000
Ranch operations
Other (Loss) Income:
(Loss) income from operations before equity in earnings of unconsolidated joint ventures	(601,000)	(541,000)	(1,013,000)	(1,050,000)
Operating Segments | Real estate - commercial/industrial
Revenues:
Total revenues	2,485,000	2,159,000	4,674,000	4,313,000
Costs and Expenses:
Total expenses	1,902,000	1,714,000	3,645,000	3,393,000
Operating Segments | Real estate - resort/residential
Revenues:
Total revenues			0
Costs and Expenses:
Total expenses	500,000	387,000	1,130,000	929,000
Operating Segments | Mineral resources
Revenues:
Total revenues	1,519,000	3,187,000	3,520,000	11,927,000
Costs and Expenses:
Total expenses	529,000	1,800,000	1,853,000	6,493,000
Operating Segments | Farming
Revenues:
Total revenues	1,501,000	502,000	1,932,000	1,723,000
Costs and Expenses:
Total expenses	1,258,000	1,350,000	2,581,000	2,856,000
Operating Segments | Ranch operations
Revenues:
Total revenues	860,000	1,001,000	1,941,000	1,839,000
Costs and Expenses:
Total expenses	1,461,000	1,542,000	2,954,000	2,889,000
Corporate expenses
Costs and Expenses:
Total expenses	$ 2,494,000	$ 3,163,000	$ 5,439,000	$ 6,166,000