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Note 9 - Shares Outstanding and Earnings Per Share - Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Weighted average basic shares outstanding (in shares)	11,369	11,182
Assumed exercise of stock options and issuance of stock awards (in shares)
Weighted average diluted shares outstanding (in shares)	11,369	11,182
Net Income (Loss) Attributable to Parent	$ 7,699	$ (767)
Basic earnings (loss) per share (in dollars per share)	$ 0.68	$ (0.07)
Diluted earnings (loss) per share (in dollars per share)	$ 0.68	$ (0.07)
Anti-dilutive securities outstanding (in shares)	43	147

X

- Definition

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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Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of share based payment arrangements using the treasury stock method.

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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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