Note 13 - Derivative Financial Instrument - Interest Rate Swap (Details) (Interest Rate Swap [Member], USD $)
3 Months Ended 12 Months Ended
Mar. 31, 2014
Subsequent Event [Member]
Dec. 31, 2013
Fair Value, Inputs, Level 2 [Member]
Dec. 31, 2012
Fair Value, Inputs, Level 2 [Member]
Dec. 31, 2013
Dec. 31, 2012
Note 13 - Derivative Financial Instrument - Interest Rate Swap (Details) [Line Items]          
Derivative, Notional Amount       $ 7,700,000  
Derivative, Swaption Interest Rate       6.96%  
Derivative, Remaining Maturity       15 years  
Derivative Liability, Notional Amount       6,883,000 7,261,000
Derivative Liability, Fair Value, Gross Liability   460,000 1,123,509 460,000 1,123,509
Derivative, Gain (Loss) on Derivative, Net $ 632,000