Note 4 - Residential Mortgage Loans Held in Securitization Trusts (Net) and Real Estate Owned (Details) - Real Estate Owned (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Real Estate Owned [Abstract]      
Balance at beginning of period $ 732 $ 454 $ 740
Write downs (433) (124) (87)
Transfer from mortgage loans held in securitization trusts 1,184 1,569 698
Disposal (375) (1,167) (897)
Balance at the end of period $ 1,108 $ 732 $ 454