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Note 9 - Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Weighted average basic shares outstanding (in shares)	11,216	11,201	11,199	11,198
Assumed exercise of stock options and issuance of stock awards (in shares)
Weighted average diluted shares outstanding (in shares)	11,216	11,201	11,199	11,198
Net income (loss)	$ 3,550	$ (22,260)	$ 2,783	$ (21,191)
Basic earnings (loss) per share (in dollars per share)	$ 0.32	$ (1.99)	$ 0.25	$ (1.89)
Diluted earnings (loss) per share (in dollars per share)	$ 0.32	$ (1.99)	$ 0.25	$ (1.89)
Anti-dilutive securities outstanding (in shares)	129		129

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Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

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