Unaudited Consolidated Statements of Operations - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Revenues:
Total revenues	$ 13,079,000	$ 11,946,000	$ 32,881,000	$ 35,579,000
Costs and Expenses:
Total expenses	14,988,000	15,487,000	37,714,000	39,402,000
Operating loss	(1,909,000)	(3,541,000)	(4,833,000)	(3,823,000)
Other Income:
Investment income	112,000	116,000	350,000	413,000
Other income	32,000	125,000	120,000	180,000
Total other income	144,000	241,000	470,000	593,000
(Loss) from operations before equity in earnings of unconsolidated joint ventures	(1,765,000)	(3,300,000)	(4,363,000)	(3,230,000)
Equity in earnings of unconsolidated joint ventures, net	2,353,000	2,055,000	5,650,000	4,861,000
Income (loss) before income tax expense	588,000	(1,245,000)	1,287,000	1,631,000
Income tax expense (benefit)	271,000	(434,000)	503,000	464,000
Net income (loss)	317,000	(811,000)	784,000	1,167,000
Net loss attributable to non-controlling interest	(7,000)	(23,000)	(61,000)	(68,000)
Net income (loss) attributable to common stockholders	$ 324,000	$ (788,000)	$ 845,000	$ 1,235,000
Net income (loss) per share attributable to common stockholders, basic, in dollars per share	$ 0.02	$ (0.04)	$ 0.04	$ 0.06
Net income (loss) per share attributable to common stockholders, diluted, in dollars per share	$ 0.02	$ (0.04)	$ 0.04	$ 0.06
Real estate - commercial/industrial
Other Income:
Equity in earnings of unconsolidated joint ventures, net	$ 2,353,000	$ 2,055,000	$ 5,650,000	$ 4,861,000
Income (loss) before income tax expense	2,827,000	2,557,000	7,044,000	6,167,000
Mineral resources
Other Income:
(Loss) from operations before equity in earnings of unconsolidated joint ventures	458,000	716,000	5,892,000	7,151,000
Ranch operations
Other Income:
(Loss) from operations before equity in earnings of unconsolidated joint ventures	(960,000)	(1,227,000)	(2,010,000)	(1,941,000)
Operating Segments | Real estate - commercial/industrial
Revenues:
Total revenues	2,221,000	2,101,000	6,534,000	6,190,000
Costs and Expenses:
Total expenses	1,747,000	1,599,000	5,140,000	4,884,000
Operating Segments | Real estate - resort/residential
Revenues:
Total revenues			0
Costs and Expenses:
Total expenses	323,000	558,000	1,252,000	1,885,000
Operating Segments | Mineral resources
Revenues:
Total revenues	1,125,000	1,322,000	13,052,000	14,174,000
Costs and Expenses:
Total expenses	667,000	606,000	7,160,000	7,023,000
Operating Segments | Farming
Revenues:
Total revenues	9,319,000	8,076,000	11,042,000	12,470,000
Costs and Expenses:
Total expenses	7,781,000	8,123,000	10,637,000	11,710,000
Operating Segments | Ranch operations
Revenues:
Total revenues	414,000	447,000	2,253,000	2,745,000
Costs and Expenses:
Total expenses	1,374,000	1,674,000	4,263,000	4,686,000
Corporate expenses
Costs and Expenses:
Total expenses	$ 3,096,000	$ 2,927,000	$ 9,262,000	$ 9,214,000