Note D - Investments in Real Estate Loans (Detail) - Geoographic Location of Investments in Real Estate Loans (USD $)	Jun. 30, 2012		Dec. 31, 2011
Balance	$ 13,368,000	[1]	$ 16,252,000	[1]
Portfolio Percentage	100.00%		100.00%
Arizona [Member]
Balance	450,000	[1]	3,282,000	[1]
Portfolio Percentage	3.37%		20.20%
California [Member]
Balance	467,000	[1]	647,000	[1]
Portfolio Percentage	3.49%		3.98%
Colorado [Member]
Balance		[1]	300,000	[1]
Portfolio Percentage			1.85%
Michigan [Member]
Balance	1,741,000
Portfolio Percentage	13.02%
Nevada [Member]
Balance	8,832,000	[1]	5,928,000	[1]
Portfolio Percentage	66.07%		36.48%
Oregon [Member]
Balance		[1]	4,434,000	[1]
Portfolio Percentage			27.28%
Texas [Member]
Balance	1,058,000	[1]	1,661,000	[1]
Portfolio Percentage	7.91%		10.21%
Utah [Member]
Balance	$ 820,000	[1]		[1]
Portfolio Percentage	6.14%

[1] Please see Balance Sheet Reconciliation below.