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Note 14 - Equity Compensation Plan (Details) - Nonvested Restricted Shares
12 Months Ended
Dec. 31, 2015
$ / shares
shares
Nonvested Restricted Shares [Abstract]  
Non-vested, January 1, 2015 | shares 230,713
Non-vested, January 1, 2015 | $ / shares $ 7.58
Vested | shares 115,357
Vested | $ / shares $ 7.58
Non-vested, December 31, 2015 | shares 115,356
Non-vested, December 31, 2015 | $ / shares $ 7.58