Note 9 - Earnings Per Share (Details) - Calculation of Basic and Diluted Earnings Per Common Share - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Calculation of Basic and Diluted Earnings Per Common Share [Abstract]
Net income (in Dollars)	$ 819	$ 6,580	$ 4,294	$ 10,093
Basic weighted-average number of common shares outstanding	16,500,945	16,471,569	16,495,558	16,471,569
Plus: common share equivalents				423
Diluted weighted-average number of common shares outstanding	16,500,945	16,471,569	16,495,558	16,471,992
Income per common share:
Basic (in Dollars per share)	$ 0.05	$ 0.40	$ 0.26	$ 0.61
Diluted (in Dollars per share)	$ 0.05	$ 0.40	$ 0.26	$ 0.61