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Note 10 - Loss per Basic and Diluted Weighted Average Common Share Outstanding for Continuing and Discontinued Operations (Details) - USD ($)
shares in Thousands, $ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Income (loss) from continuing operations $ (12,079) $ 3,182 $ (14,180) $ 1,971
Income (loss) from discontinued operations   10   (10,883)
Net income (loss) $ (12,079) $ 3,192 $ (14,180) $ (8,912)
Basic weighted-average common shares outstanding (in shares) 9,557 9,513 9,555 9,510
Effect of potentially dilutive common shares (1) (in shares) [1]   92   86
Diluted weighted-average common shares outstanding (in shares) 9,557 9,605 9,555 9,596
Basic income (loss) per share        
Continuing operations (in dollars per share) $ (1.26) $ 0.34 $ (1.48) $ 0.21
Discontinued operations (in dollars per share)       (1.15)
Total (in dollars per share) $ (1.26) $ 0.34 $ (1.48) (0.94)
Diluted income (loss) per share        
Continuing operations (in dollars per share) $ (1.26) $ 0.33 $ (1.48) 0.21
Discontinued operations (in dollars per share)       (1.14)
Total (in dollars per share) $ (1.26) $ 0.33 $ (1.48) $ (0.93)
[1] Represents the effect of the assumed exercise of stock options and the vesting of restricted stock units and performance stock awards, based on the treasury stock method.