CONDENSED CONSOLIDATED BALANCE SHEETS (USD $)	Mar. 31, 2013	Dec. 31, 2012
Investment properties, net of accumulated depreciation:
Office building and other commercial property	$ 822,022	$ 826,061
Total investment properties, net	822,022	826,061
Cash and cash equivalents	23,640,176	1,510,773
Assets associated with real estate interests held for sale	100,000	18,098,789
Investments in marketable securities	2,519,208	2,158,330
Other investments	3,468,270	3,603,655
Investment in affiliate	2,578,474	2,547,572
Loans, notes and other receivables	1,307,813	295,562
Notes and advances due from related parties	699,313	696,909
Deferred taxes	173,000	698,000
Other assets	63,550	36,731
TOTAL ASSETS	35,371,826	30,472,382
LIABILITIES
Note payable to affiliate	2,814,379	2,814,379
Accounts payable, accrued expenses and other liabilities	83,153	46,550
Adviser's base fee	2,063,133
Income tax payable	839,000
Obligations associated with real estate interests held for sale		13,383,821
TOTAL LIABILITIES	5,799,665	16,244,750
STOCKHOLDERS' EQUITY
Additional paid-in capital	24,148,217	24,129,031
Undistributed gains from sales of properties, net of losses	60,113,390	41,572,120
Undistributed losses from operations	(55,921,475)	(54,377,617)
Accumulated other comprehensive loss		(982,500)
Total stockholders' equity	29,314,658	11,310,560
Non controlling interest	257,503	2,917,072
TOTAL EQUITY	29,572,161	14,227,632
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	35,371,826	30,472,382
Common Class [Member]
STOCKHOLDERS' EQUITY
Common Stock
Common Class B [Member]
STOCKHOLDERS' EQUITY
Common Stock	$ 974,526	$ 969,526