Note D - Investments in Real Estate Loans (Detail) - Priority of Real Estate Loans (USD $)	6 Months Ended		12 Months Ended
	Jun. 30, 2012		Dec. 31, 2011
Number of Loans	16		20
Balance (in Dollars)	$ 13,368,000	[1]	$ 16,252,000	[1]
Portfolio Percentage	100.00%		100.00%
First Deeds of Trust [Member]
Number of Loans	13		13
Balance (in Dollars)	11,151,000	[1]	10,840,000	[1]
Portfolio Percentage	83.42%		66.70%
Second Deeds of Trust [Member]
Number of Loans	3		7
Balance (in Dollars)	$ 2,217,000	[1]	$ 5,412,000	[1]
Portfolio Percentage	16.58%		33.30%

[1] Please see Balance Sheet Reconciliation below.