Note 8 - Derivatives Instruments and Hedging Activities (Details) - Fair Value of Derivative Instruments Designated As Hedging Instruments (Interest Rate Swap [Member], USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Dec. 31, 2012
Interest Rate Swap [Member]
   
Derivatives, Fair Value [Line Items]    
Interest Rate Swaps $ 2,041  
Interest Rate Swaps   $ 1,744