TAXABLE INCOME AND TAX BASIS (Details) - USD ($)	3 Months Ended								12 Months Ended
	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
TAXABLE INCOME AND TAX BASIS
Taxable net income									$ 10,968,000	$ 4,056,000	$ 8,578,000
Excess amount of statement income over taxable income									7,245,000
Excess amount of cumulative statement basis over cumulative taxable basis	$ 14,000,000								14,000,000
Excess amount of statement income from joint venture investments over taxable income									3,000,000
Reconciliation of GAAP net income to taxable income
Net income (loss)	$ 2,142,646	$ 995,224	$ 242,985	$ 342,418	$ (2,900,489)	$ (75,385)	$ 569,891	$ (294,180)	3,723,273	(2,700,163)	1,424,528
Book/Tax differences from depreciation and amortization									4,160,000	5,673,000	6,627,000
Book/Tax differences from Investment Properties									(1,258,000)	87,000	69,000
Increase (Decrease) in prepaid rent and allowances									554,000	(46,000)	936,000
Other items									1,273,000	1,216,000	(341,000)
Taxable income									$ 10,968,000	$ 4,056,000	$ 8,578,000