Note 10 - Residential Collateralized Debt Obligations (Details) (USD $)
Dec. 31, 2013
Dec. 31, 2012
Note 10 - Residential Collateralized Debt Obligations (Details) [Line Items]    
CDOs Outstanding $ 6,600,000 $ 7,000,000
Arm Loans [Member]
   
Note 10 - Residential Collateralized Debt Obligations (Details) [Line Items]    
Loans Pledged as Collateral 165,200,000 189,000,000
Residential Collateralized Debt Obligations [Member]
   
Note 10 - Residential Collateralized Debt Obligations (Details) [Line Items]    
Secured Debt $ 158,400,000 $ 181,000,000
Debt, Weighted Average Interest Rate 0.55% 0.59%