Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $)	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
CASH FLOWS FROM OPERATING ACTIVITIES:
Net loss	$ (268,944)	$ (349,155)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	233,444	214,138
Bad debt expense	6,000	6,000
Net periodic pension benefit (income) cost	(1,156)	(10,347)
Decrease (increase) in assets:
Rent receivable	(80,843)	92,211
Deferred rent receivable	(27,097)	(11,603)
Prepaid expenses and other assets	(42,643)	23,406
Increase (decrease) in liabilities:
Accounts payable	(20,354)	(202,062)
Accrued liabilities	2,638	18,977
Deferred rent liability	77,069	(4,579)
Tenant security deposits	(1,041)	(2,734)
Total adjustments	146,017	123,407
Net cash used in operating activities	(122,927)	(225,748)
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchase of building improvements and equipment	(45,063)	(146,101)
Land development costs	(28,746)	(45,886)
Purchases of marketable securities	(5,375,680)	0
Principal repayments on investment in marketable securities	25,469	0
Net cash used in investing activities	(5,424,020)	(191,987)
CASH FLOWS FROM FINANCING ACTIVITIES:
Principal payments on mortgage loans payable	(162,081)	(145,768)
Loan origination fees paid	(2,471)	0
Net cash used in financing activities	(164,552)	(145,768)
Net decrease in cash and cash equivalents	(5,711,499)	(563,503)
Cash and cash equivalents at beginning of period	10,375,994	2,141,522
Cash and cash equivalents at end of period	4,664,495	1,578,019
Supplemental cash flow information:
Interest paid	$ 285,497	$ 305,654