Note D - Investments in Real Estate Loans (Detail) - Breakdown of Alowance for Loan Losses (USD $)	Jun. 30, 2012		Dec. 31, 2011
Balance	$ 13,368,000	[1]	$ 16,252,000	[1]
Allowance for loan losses	(1,629,000)	[2]	(5,485,000)	[2]
Net Balance	11,739,000		10,767,000
Non-Performing Loans - No Related Allowance [Member]
Allowance for loan losses		[2]		[2]
Non-Performing Loans – Related Allowance [Member]
Balance	1,000,000		7,571,000
Allowance for loan losses	(1,000,000)	[2]	(3,724,000)	[2]
Net Balance			3,847,000
Nonperforming Loans [Member]
Balance	1,000,000		7,571,000
Allowance for loan losses	(1,000,000)	[2]	(3,724,000)	[2]
Net Balance			3,847,000
Performing Loans - No Related Allowance [Member]
Balance	11,151,000		6,241,000
Allowance for loan losses		[2]		[2]
Net Balance	11,151,000		6,241,000
Performing Loans - Related Allowance [Member]
Balance	1,217,000		2,440,000
Allowance for loan losses	(629,000)	[2]	(1,761,000)	[2]
Net Balance	588,000		678,000
Performing Loans [Member]
Balance	12,368,000		8,681,000
Allowance for loan losses	(629,000)	[2]	(1,761,000)	[2]
Net Balance	$ 11,739,000		$ 6,920,000

[1] Please see Balance Sheet Reconciliation below.

[2] Please refer to Specific Reserve Allowances below.