Note K - Fair Value (Detail) - Changes in our Financial Assets and Liabilities Measured on Recurring Basis Using Significant Unobservable Inputs (USD $)	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011
Beginning Balance	$ 10,767,000
Ending Balance	11,739,000
Change in temporary valuation adjustment included in net loss
Increase in allowance for loan losses	19,000	127,000
Reduction of Allowance on Real Estate Loan Following Payment of Loan [Member] | Fair Value, Inputs, Level 3 [Member]
Change in temporary valuation adjustment included in net income (loss)
Reduction of allowance on real estate loan	1,101,000
Reduction of Allowance For Loan Losse Relative To Settlement Of Investment in Real Estate Loan [Member] | Fair Value, Inputs, Level 3 [Member]
Change in temporary valuation adjustment included in net income (loss)
Reduction of allowance on real estate loan		986,000
Transfer of Allowance on Real Estate Loans Converted to Unsecured Notes Receivable [Member] | Fair Value, Inputs, Level 3 [Member]
Change in temporary valuation adjustment included in net income (loss)
Transfer	1,062,000
Transfer of Allowance on Real Estate Loans to Real Estate Held for Sale [Member] | Fair Value, Inputs, Level 3 [Member]
Change in temporary valuation adjustment included in net income (loss)
Transfer	150,000
Transfer of Real Estate Loans to Real Estate Held for Sale [Member] | Fair Value, Inputs, Level 3 [Member]
Change in temporary valuation adjustment included in net income (loss)
Transfer	1,375,000
Transfer of Real Estate Loans to Other Real Estate Owned [Member] | Fair Value, Inputs, Level 3 [Member]
Change in temporary valuation adjustment included in net income (loss)
Transfer	(937,000)
Transfer Of Real Estate Loan To Asset Held For Sale [Member] | Fair Value, Inputs, Level 3 [Member]
Change in temporary valuation adjustment included in net income (loss)
Transfer	(4,434,000)
Transfer of Real Estate Loans Converted to Unsecured Notes Receivable [Member] | Fair Value, Inputs, Level 3 [Member]
Change in temporary valuation adjustment included in net income (loss)
Transfer	(989,000)
Fair Value, Inputs, Level 3 [Member]
Beginning Balance	10,827,000	6,660,000
Ending Balance	11,733,000	6,802,000
Change in temporary valuation adjustment included in net income (loss)
Net decrease in allowance for loan losses	134,000
Change in temporary valuation adjustment included in net loss
Increase in allowance for loan losses		(116,000)
Purchase and additions of assets
New mortgage loans and mortgage loans bought	12,163,000	490,000
Sales, pay downs and reduction of assets
Collections of principal and settlements of investment in real estate loans	(8,688,000)	(1,120,000)
Temporary change in estimated fair value based on future cash flows	$ (31,000)	$ (98,000)