Note D - Investments in Real Estate Loans (Detail) - Contractual Maturities of Investments in Real Estate Loans (USD $)	Jun. 30, 2012		Dec. 31, 2011
Non-performing and past due loans (a)	$ 1,000,000	[1]
Balance	13,368,000	[2]	16,252,000	[2]
July 2012 - Sеptеmbеr 2012 [Member]
Balance	1,994,000
Octobеr 2012 - Dеcеmbеr 2012 [Member]
Balance	2,464,000
January 2013 - March 2013 [Member]
Balance	3,260,000
April 2013 - June 2013 [Member]
Balance	3,433,000
July 2013 - September 2013 [Member]
Balance	467,000
Thereafter [Member]
Balance	$ 750,000

[1] Amounts include the balances of non-performing loans.

[2] Please see Balance Sheet Reconciliation below.