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Note 8 - Borrowings (Details Textual) - USD ($)
$ in Thousands
Aug. 05, 2014
Dec. 31, 2015
Jun. 30, 2015
Subordinated Debt [Member]      
Debt Instrument, Face Amount $ 70,000    
Debt Instrument, Interest Rate, Stated Percentage 5.75% 8.50%  
Payments of Debt Issuance Costs $ 1,200    
Debt Instrument, Repurchase Amount   $ 9,300  
Long-term Debt, Gross     $ 4,050
Proceeds from Issuance of Subordinated Long-term Debt $ 68,800