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Note 13 - Subsequent Event (Details Textual) - USD ($)
$ in Millions
Mar. 24, 2016
Dec. 31, 2015
Revolving Credit Facility [Member] | Bank United [Member] | Subsequent Event [Member]    
Long-term Line of Credit $ 30.0  
Citizens Bank N.A. [Member] | Subsequent Event [Member] | London Interbank Offered Rate (LIBOR) [Member] | Minimum [Member]    
Debt Instrument, Basis Spread on Variable Rate 2.00%  
Citizens Bank N.A. [Member] | Subsequent Event [Member] | London Interbank Offered Rate (LIBOR) [Member] | Maximum [Member]    
Debt Instrument, Basis Spread on Variable Rate 2.75%  
Citizens Bank N.A. [Member] | Subsequent Event [Member] | Prime Rate [Member] | Maximum [Member]    
Debt Instrument, Basis Spread on Variable Rate 0.25%  
Citizens Bank N.A. [Member] | Subsequent Event [Member]    
Notes Payable $ 10.0  
Long-term Line of Credit   $ 23.7