IMPAIRMENT OF LONG-LIVED ASSETS (Details)	3 Months Ended		12 Months Ended			24 Months Ended
	Jun. 30, 2016 USD ($) a	Mar. 31, 2016 USD ($)	Dec. 31, 2018 USD ($) $ / shares	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)	Dec. 31, 2018 USD ($)
Impairment of Long-Lived Assets
Impairment Charges			$ 1,119,362	$ 0	$ 2,180,730
Impairment charge					2,180,730
2016 dispositions of income property subject to a lease | Sold
Impairment of Long-Lived Assets
Impairment charge					1,200,000
Gain (loss) on disposal					12,800,000
September 2016 disposition of income property subject to a lease | Held for sale - not discontinued operation
Impairment of Long-Lived Assets
Impairment charge	$ 942,000
April 2016 disposition of income property subject to a lease | Held for sale - not discontinued operation
Impairment of Long-Lived Assets
Impairment charge		$ 210,000
Gain (loss) on disposal		(134,000)
Closing costs		$ 76,000
Undeveloped land
Impairment of Long-Lived Assets
Impairment Charges			0		$ 1,000,000	$ 0
Undeveloped land | Land Under Contract for Sale
Impairment of Long-Lived Assets
Area of lease | a	6
Four acres of undeveloped land, (3.6 Repurchased Acres) | Land Under Contract for Sale
Impairment of Long-Lived Assets
Area of lease | a	4
Gain (Loss) on Sale of Properties	$ (646,000)
Estimated closing costs	71,000
Impairment charge	$ 717,000
Four acres of undeveloped land, (4.5 Repurchased Acres)
Impairment of Long-Lived Assets
Area of lease | a	4
Gain (Loss) on Sale of Properties	$ (256,000)
Estimated closing costs	55,000
Impairment charge	$ 311,000
Golf Operations
Impairment of Long-Lived Assets
Impairment Charges			$ 1,100,000
Impairment charge (usd per share) | $ / shares			$ 0.15
Total asset impairment			$ 3,100,000