Note 4 - Residential Mortgage Loans Held in Securitization Trusts (Net) and Real Estate Owned (Details) - Allowance for Loan Losses (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
Allowance for Loan Losses [Abstract]
Balance at beginning of period	$ 2,989	$ 2,978
Provisions for loan losses	654	568
Transfer to real estate owned	(289)	(268)
Charge-offs	0	(109)
Balance at the end of period	$ 3,354	$ 3,169