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Note 10 - Shares Outstanding and Earnings Per Share (Details) - Earnings Per Share - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Earnings Per Share [Abstract]        
Weighted average basic shares outstanding 11,201 11,089 11,198 11,089
Assumed exercise of stock options and issuance of stock awards       1
Weighted average diluted shares outstanding 11,201 11,089 11,198 11,090
Net income (loss) (in Dollars) $ (22,260) $ 3,494 $ (21,191) $ 6,271
Basic earnings (loss) per share (in Dollars per share) $ (1.99) $ 0.32 $ (1.89) $ 0.57
Diluted earnings (loss) per share (in Dollars per share) $ (1.99) $ 0.32 $ (1.89) $ 0.57
Anti-dilutive securities outstanding   200   200